How to conjugate instalar in Spanish

instalar in Spanish means to install, 

instalar is a regular verb. That means this verb does follow the traditional conjugation patterns in all verb tenses. 

Let’s learn how to conjugate the verb instalar so you can use it comfortably in all tenses. 

instalar in the Present Tense

The present tense is used to talk about actions or events happening now. 

The verb instalar is regular in the present tense. 

The verb instalar is what we call an -ar verb. -ar verbs are verbs that end in -ar. Regular -ar verbs are conjugated by following 2 major rules. 

1. Take off the -ar
2. Replace with a new ending depending on who performs the action. 

To review -ar verbs watch my -ar verbs video: 

Just in case you need to review conjugation of -er and -ir verbs, Click for Page: 

Below you will find the conjugations of the verb instalar in the indicative present tense:

Pronoun	Spanish	English
Yo	instalo	I install
Tú	instalas	you install
Él / Ella / Usted (Ud.)	instala	he/she installed, you (formal) installes
Nosotros (as)	instalamos	we install
Vosotros (as)	instalaís	you (plural) Spain install
Ellas / Ellos / Ustedes (Uds.)	instalan	they install, you (plural) install

instalar in the Preterite Tense

The preterite is used to talk about actions that have already been completed. These actions have a clear beginning or ending. The preterite tense is often used with phrases that give a specific time frame.  More on the Preterite Tense Here

Things to remember: 

1. The preterite is NOT used to describe actions or events that are repeated or continuous in the past. That means that those actions do not have a clear beginning or end. 
2. The preterite is NOT used to describe people in the past.

The verb instalar is Regular in the preterite. That means it does follow the pattern of regular -ar verbs in the preterite. To review -ar verbs watch my -ar verbs video:  https://youtu.be/Pi5rlDOeOnM 

Below you will find the conjugations of the verb instalar in the preterite tense:

Pronoun	Spanish	English
Yo	instalé	I installed
Tú	instalaste	you installed
Él / Ella / Usted (Ud.)	instaló	he/she installed, you (formal) installed
Nosotros (as)	instalamos	we installed
Vosotros (as)	instalasteis	you (plural) Spain installed
Ellas / Ellos / Ustedes (Uds.)	instalaron	they installed, you (plural) installed

Below are some expressions that are often used when using the preterite:

la semana pasada	last week
el mes pasado	last month
el fin de semana pasado	last weekend
el año pasado	last year
ayer	yesterday
anteayer	the day before yesterday
anoche	last night

instalar in the Imperfect Tense

The imperfect is a form of past tense. It is primarily used to talk about continuous, repeated, usual or habitual actions in the past. It can also be used to talk about what someone or something was like in the past, what someone used to be or used to do. The imperfect is used when actions don’t have a specific beginning or end. 

The verb instalar is regular in the imperfect tense. 

The verb instalar is what we call an -ar verb. -ar verbs are verbs that end in -ar. Regular -ar verbs are conjugated by following 2 major rules. 

1. Take off the -ar
2. Replace with a new ending depending on who performs the action. 

To review how to conjugate -ar verbs in the imperfect watch my video: Click for Video 

To review how to conjugate -er and -ir verbs in the imperfect watch my video: Click for Video 

Below you will find the conjugations of the verb instalar in the imperfect tense:

Pronoun	Spanish	English
Yo	instalaba	I used to install
Tú	instalabas	you used to install
Él / Ella / Usted (Ud.)	instalaba	he/she used to install, you (formal) used to install
Nosotros (as)	instalábamos	we used to install
Vosotros (as)	instalabais	you (plural) Spain used to install
Ellas / Ellos / Ustedes (Uds.)	instalaban	they used to install, you (plural) used to install

Below are some expressions that are often used when using the Imperfect:

a menudo	often
usualmente	usually
todos los días	every day
todos los meses	every month
todos los años	every year
casi siempre	almost always
a veces	sometimes
de niño/niña	as a child …
siempre	always
normalmente	normally

instalar in the Future Tense

The future is used to talk about an action or event that will happen in the future. 

The verb instalar is regular in the future tense. 

To form the future tense of regular -ar, -er and -ir verbs add the following endings to the verb in the infinitive (verbs that have not been conjugated and end in -ar, -er, -ir). The verb instalar is in its purest form (it has not been conjugated) it’s in the infinitive.  

The verb instalar is what we call an -ar verb. -ar verbs are verbs that end in -ar. To conjugate instalar in the future, follow these two rules: 

1. Find the infinitive of the verb (verbs that have not been conjugated and end in -ar, -er, -ir). In this case instalar.
2. Then attach the ending to the end of the infinitive. The ending depends on who is performing the action. 

Yo	é
Tú	ás
Él / Ella / Usted (Ud.)	á
Nosotros (as)	emos
Vosotros (as)	éis
Ellas / Ellos / Ustedes (Uds.)	án

Below you will find the conjugations of the verb instalar using the future tense:

Pronoun	Spanish	English
Yo	instalaré	I will install
Tú	instalarás	you will install
Él / Ella / Usted (Ud.)	instalará	he/she will install, you (formal) will install
Nosotros (as)	instalaremos	we will install
Vosotros (as)	instalaréis	you (plural) Spain will install
Ellas / Ellos / Ustedes (Uds.)	instalarán	they will install, you (plural) will install

instalar in the Informal Future Tense

The informal future is used to talk about an action or event that is going to take place in the near future. To form the informal future, you must use the correct form of the verb ir (to go) + a + the verb in the infinitive. 

The verb instalar is regular in the informal future tense. 

Follow this rule:

1. Ir (conjugated) + a + infinitive (verb that ends in -ar, -er, -ir and has not been conjugated).  Example : Yo voy a instalar 

The conjugation of the verb ir (to go) in the present tense are:

Yo	voy
Tú	vas
Él / Ella / Usted (Ud.)	va
Nosotros (as)	vamos
Vosotros (as)	vais
Ellas / Ellos / Ustedes (Uds.)	van

To review how to conjugate the informal future watch my video: Click for Video 

Below you will find the conjugations of the verb instalar using the informal future:

Pronoun	Spanish	English
Yo	voy a instalar	I will install
Tú	vas a instalar	you will install
Él / Ella / Usted (Ud.)	va a instalar	he/she will install, you (formal) will install
Nosotros (as)	vamos a instalar	we will install
Vosotros (as)	vais a instalar	you (plural) Spain will install
Ellas / Ellos / Ustedes (Uds.)	van a instalar	they will install, you (plural) will install

instalar in the Present Progressive Tense.

The present progressive is used to talk about actions or events happening now. In other words, we use the present progressive to talk about actions that are in the process of happening at the current moment. 

The verb instalar is regular in the present progressive tense. 

The present progressive is formed by using the correct form of the verb estar (to be) plus the present participle (-ing form of a verb). 

To form the present participle of a verb:

1. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
2. Remove the ending (-ar, -er, -ir).
3. Add -ando for -ar verbs
4. Add -iendo for -er and –ir verbs

The conjugations of the verb estar in the present tense are:

Yo	estoy
Tú	estás
Él / Ella / Usted (Ud.)	está
Nosotros (as)	estamos
Vosotros (as)	estáis
Ellas / Ellos / Ustedes (Uds.)	están

The present participle of the verb instalar is: instalando

To review the present progressive and present participles in Spanish, watch my Present Progressive Video:Click for Video 

Just in case you need to review the verb estar, watch my Estar video: Click for Video 

Below you will find the conjugations of the verb instalar using the present progressive:

Pronoun	Spanish	English
Yo	estoy instalando	I am installing
Tú	estás instalando	you are installing
Él / Ella / Usted (Ud.)	está instalando	he/she is installing, you (formal) are installing
Nosotros (as)	estamos instalando	we are installing
Vosotros (as)	estáis instalando	you (plural) Spain are installing
Ellas / Ellos / Ustedes (Uds.)	están instalando	they are installing, you (plural) are installing

instalar in the Conditional Tense

The conditional tense is used to talk about actions or events that may happen in the future. Think of it as a possibility, a hypothesis, a probability. 

The verb instalar is regular in the conditional tense. 

The verb instalar is what we call an -ar verb. -ar verbs are verbs that end in -ar. To conjugate instalar in the conditional tense follow these two rules: 

1. Find the infinitive of the verb (verbs that have not been conjugated and end in -ar, -er, -ir). In this case instalar.
2. Then attach the ending to the end of the infinitive. The ending depends on who is performing the action. 

To form the conditional of a verb add the following endings to the infinitive of the verb: 

Yo	ía
Tú	ías
Él / Ella / Usted (Ud.)	ía
Nosotros (as)	íamos
Vosotros (as)	íais
Ellas / Ellos / Ustedes (Uds.)	ían

The infinitive of the verb instalar is instalar. 

Below you will find the conjugations of the verb instalar using the conditional tense:

Pronoun	Spanish	English
Yo	instalaría	I would install
Tú	instalarías	you would install
Él / Ella / Usted (Ud.)	instalaría	he/she would install, you (formal) would install
Nosotros (as)	instalaríamos	we would install
Vosotros (as)	instalarías	you (plural) Spain would install
Ellas / Ellos / Ustedes (Uds.)	instalarían	they would install, you (plural)would install

instalar in the Present Perfect Tense

The present perfect is used to talk about actions or events that have started recently (in the past) and are still happening. It can also be used to talk about things that have been done recently or to describe experiences a person has had in their lives. 

The verb instalar is regular in the conditional tense. 

To form the present perfect tense, you must use the helping verb “haber” in the present tense. This will let us know who has performed the action. Then, we add the past participle of the verb. 

The conjugations of haber in the present tense are:

Yo	he
Tú	has
Él / Ella / Usted (Ud.)	ha
Nosotros (as)	hemos
Vosotros (as)	habéis
Ellas / Ellos / Ustedes (Uds.)	han

To form the past participle of a verb:

1. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
2. Remove the ending (-ar, -er, -ir).
3. Add -ado for -ar verbs
4. Add -ido for -er and –ir verbs

To summarize. Correct form of haber in the present + past participle = present perfect. 

Below you will find the conjugations of the verb instalar in the present perfect:

Pronoun	Spanish	English
Yo	he instalado	I have installed
Tú	has instalado	you have installed
Él / Ella / Usted (Ud.)	ha instalado	he/she have installed, you (formal) have installed
Nosotros (as)	hemos instalado	we have installed
Vosotros (as)	habéis instalado	you (plural) Spain have installed
Ellas / Ellos / Ustedes (Uds.)	han instalado	they have installed, you (plural) have installed

instalar in the Past Perfect Tense (Pretérito Pluscuamperfecto) 

The past perfect is used to talk about actions or events that happened before. It is widely used to describe a series of events and it comes in handy to tell stories. 

The verb instalar is regular in the past perfect tense. 

To form the past perfect you must use the verb haber in the imperfect. This will let us know who has performed the action. 

The conjugations of haber in the imperfect tense are:

Yo	había
Tú	habías
Él / Ella / Usted (Ud.)	había
Nosotros (as)	habíamos
Vosotros (as)	habíais
Ellas / Ellos / Ustedes (Uds.)	habían

Then, we add the past participle of the verb. In this case instalar. 

To form the past participle of a verb:

1. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
2. Remove the ending (-ar, -er, -ir).
3. Add -ado for -ar verbs
4. Add -ido for -er and –ir verbs

To summarize. Use the correct form of haber in the imperfect + past participle = past perfect. 

Below you will find the conjugations of the verb instalar in the past perfect:

Pronoun	Spanish	English
Yo	había instalado	I had installed
Tú	habías instalado	you had installed
Él / Ella / Usted (Ud.)	había instalado	he/she had installed, you (formal) had installed
Nosotros (as)	habíamos instalado	we had installed
Vosotros (as)	habíais instalado	you (plural) Spain had installed
Ellas / Ellos / Ustedes (Uds.)	habíain instalado	they had installed, you (plural) had installed

instalar in the Future Perfect Tense

The future perfect is used to talk about something that hasn’t happened yet but is predicted to take place. It is used to describe what will have happened in the future.

The verb instalar is regular in the future perfect tense. 

To form the future perfect you must use the verb haber in the simple future tense. This will let us know who has performed the action. 

The conjugations of haber in the future tense are:

Yo	habré
Tú	habrás
Él / Ella / Usted (Ud.)	habrá
Nosotros (as)	habremos
Vosotros (as)	habréis
Ellas / Ellos / Ustedes (Uds.)	habrán

Then, we add the past participle of the verb. In this case instalar. To form the past participle, you simply add the appropriate ending to the stem of the verb. 

To form the past participle of a verb:

1. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
2. Remove the ending (-ar, -er, -ir).
3. Add -ado for -ar verbs
4. Add -ido for -er and –ir verbs

To summarize. Correct form of haber in the simple future tense + past participle = future perfect. 

Below you will find the conjugations of the verb instalar in the future perfect:

Pronoun	Spanish	English
Yo	habré instalado	I will have installed
Tú	habrás instalado	you will have installed
Él / Ella / Usted (Ud.)	habrá instalado	he/she will have installed, you (formal) will have installed
Nosotros (as)	habremos instalado	we will have installed
Vosotros (as)	habréis instalado	you (plural) Spain will have installed
Ellas / Ellos / Ustedes (Uds.)	habrán instalado	they will have installed, you (plural) will have installed

instalar in the Conditional Perfect Tense

The conditional perfect is used to talk about an action or event that would have happened in the past but didn’t take place due to another action happening. It is used to express possibility in the past. Basically think of it as actions that could or would have taken place if … 

The verb instalar is regular in the conditional perfect tense. 

To form the conditional perfect you must use the verb haber in the conditional. This will let us know who has performed the action.

The conjugations of haber in the conditional tense are:

Yo	habría
Tú	habrías
Él / Ella / Usted (Ud.)	habría
Nosotros (as)	habríamos
Vosotros (as)	habríais
Ellas / Ellos / Ustedes (Uds.)	habrían

 Then, we add the past participle of the verb. In this case instalar. To form the past participle, you simply add the appropriate ending to the stem of the verb. 

To form the past participle of a verb:

1. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
2. Remove the ending (-ar, -er, -ir).
3. Add -ado for -ar verbs
4. Add -ido for -er and –ir verbs

Below you will find the conjugations of the verb instalar in the conditional perfect:

Pronoun	Spanish	English
Yo	habría instalado	I would have installed
Tú	habrías instalado	you would have installed
Él / Ella / Usted (Ud.)	habría instalado	he/she would have installed, you (formal) would have installed
Nosotros (as)	habríamos instalado	we would have installed
Vosotros (as)	habríais instalado	you (plural) Spain will would installed
Ellas / Ellos / Ustedes (Uds.)	habrían instalado	they would have installed, you (plural) would have installed

instalar in the Subjunctive Present Tense

The Subjunctive present is used to talk about situations of uncertainty. For example emotions such as wishes, desires and hopes. The main difference between the subjunctive and the indicative mode is that the subjunctive is uncertain, hypothetical or not real. 

The verb instalar is Regular in the subjunctive present form. 

To form the subjunctive present of most verbs, you must take off the -o endings of the yo form of the present simple and then add a new ending based on who is performing the action.

Subjunctive present endings for -ar:

Yo	e
Tú	es
Él / Ella / Usted (Ud.)	e
Nosotros (as)	emos
Vosotros (as)	éis
Ellas / Ellos / Ustedes (Uds.)	en

Subjunctive present endings for -er and -ir verbs: 

Yo	a
Tú	as
Él / Ella / Usted (Ud.)	as
Nosotros (as)	amos
Vosotros (as)	áis
Ellas / Ellos / Ustedes (Uds.)	an

Below you will find the conjugations of the verb instalar in the subjunctive present:

Pronoun	Spanish	English
Yo	instale	I may install
Tú	instales	you may install
Él / Ella / Usted (Ud.)	instale	he/she may install, you (formal) may install
Nosotros (as)	instalemos	we may install
Vosotros (as)	instaléis	you (plural) Spain may install
Ellas / Ellos / Ustedes (Uds.)	instalen	they may install, you (plural) may install

instalar in the Subjunctive Imperfect Tense

The subjunctive imperfect is used to talk about situations of uncertainty in the past. For example emotions such as wishes, desires and hopes in the past. It is also used to express politeness or deference, primarily when making a request. 

The verb instalar is regular in the subjunctive imperfect tense. 

To form the subjunctive imperfect find the ellos/ellas form of the verb in the preterite, take off -aron or -ieron and add a new ending. 

Subjunctive Imperfect endings for -ar verbs like instalar the endings are:

Yo	ara
Tú	aras
Él / Ella / Usted (Ud.)	ara
Nosotros (as)	áramos
Vosotros (as)	arais
Ellas / Ellos / Ustedes (Uds.)	aran

You can also use the endings below as alternative endings and the meaning doesn’t change. Keep in mind the ones above are more common

Yo	ase
Tú	ases
Él / Ella / Usted (Ud.)	ase
Nosotros (as)	ásemos
Vosotros (as)	aseis
Ellas / Ellos / Ustedes (Uds.)	asen

Subjunctive Imperfect endings for -er & -ir verbs like he endings are:

Yo	iera
Tú	ieras
Él / Ella / Usted (Ud.)	iera
Nosotros (as)	iéramos
Vosotros (as)	ierais
Ellas / Ellos / Ustedes (Uds.)	ieran

You can also use the endings below as alternative endings and the meaning doesn’t change. Keep in mind the ones above are more common:

Yo	iese
Tú	ieses
Él / Ella / Usted (Ud.)	iese
Nosotros (as)	iésemos
Vosotros (as)	ieseis
Ellas / Ellos / Ustedes (Uds.)	iesen

Here are the steps in action:

1. instalar

2. The third person of the preterite (ellos/ellas) would be: instalar – instalaron

3. Now remove -aron and you are left with instal

4. Then, add a new ending.

Below you will find the conjugations of the verb instalar in the subjunctive imperfect:

Pronoun	Spanish	English
Yo	instalara	I might install
Tú	instalaras	you might install
Él / Ella / Usted (Ud.)	instalara	he/she might install, you (formal) might install
Nosotros (as)	instaláramos	we might install
Vosotros (as)	instalarais	you (plural) Spain might install
Ellas / Ellos / Ustedes (Uds.)	instalaran	they might install, you (plural) might install

OR

Pronoun	Spanish	English
Yo	instalase	I might install
Tú	instalases	you might install
Él / Ella / Usted (Ud.)	instalase	he/she might install, you (formal) might install
Nosotros (as)	instalásamos	we might install
Vosotros (as)	instalasais	you (plural) Spain might install
Ellas / Ellos / Ustedes (Uds.)	instalasan	they might install, you (plural) might install

instalar in the Subjunctive Future Tense

The subjunctive future is used to describe an event or action or a possible or hypothetical situation. It can also be used to describe something you wished or hoped would happen in the future. This tense is rarely used in Spanish but it doesn’t hurt to learn it.

The verb instalar is regular in the subjunctive future tense. 

To form the future subjunctive simply add the following endings to the verb in the infinitive (the most pure form of the verb. Verbs in the infinitive have not been conjugated (they end in -ar, -er & -ir)).

Subjunctive Future endings for -ar verbs like instalar the endings are:

Yo	e
Tú	es
Él / Ella / Usted (Ud.)	e
Nosotros (as)	emos (accent on á of the stem)
Vosotros (as)	eis
Ellas / Ellos / Ustedes (Uds.)	en

Subjunctive Future endings for -er verbs the endings are:

Yo	iere
Tú	ieres
Él / Ella / Usted (Ud.)	iere
Nosotros (as)	iéremos
Vosotros (as)	iereis
Ellas / Ellos / Ustedes (Uds.)	ieran

Subjunctive Future endings for -ir verbs the endings are:

Yo	iere
Tú	ieres
Él / Ella / Usted (Ud.)	iere
Nosotros (as)	iéremos
Vosotros (as)	iereis
Ellas / Ellos / Ustedes (Uds.)	ieren

Below you will find the conjugations of the verb instalar in the subjunctive future:

Pronoun	Spanish	English
Yo	instalara	I will install
Tú	instalaras	you will install
Él / Ella / Usted (Ud.)	instalara	he/she will install, you (formal) will install
Nosotros (as)	instaláramos	we will install
Vosotros (as)	instalarais	you (plural) Spain will install
Ellas / Ellos / Ustedes (Uds.)	instalaran	they will install, you (plural) will install

instalar in the Subjunctive Present Perfect Tense

The subjunctive present perfect is used to describe actions that are connected to the present. It is also used to talk about actions that will have happened by a certain time in the future. 

The verb instalar is regular in the subjunctive present perfect tense. 

To form the subjunctive present perfect you must use the present subjunctive of the verb haber  + the past participle of the verb. 

Here are the conjugations of the verb haber in the present subjunctive:

Yo	haya
Tú	hayas
Él / Ella / Usted (Ud.)	haya
Nosotros (as)	hayamos
Vosotros (as)	hayáis
Ellas / Ellos / Ustedes (Uds.)	hayan

The past participle of the verb instalar is: instalado

Now, let’s put it together . Here are the conjugations of the verb instalar in the subjunctive present perfect. 

Pronoun	Spanish	English
Yo	haya instalado	I may have installed
Tú	hayas instalado	you may have installed
Él / Ella / Usted (Ud.)	haya instalado	he/she may have installed, you (formal) may have installed
Nosotros (as)	hayamos instalado	we may have installed
Vosotros (as)	hayáis instalado	you (plural) Spain may have installed
Ellas / Ellos / Ustedes (Uds.)	hayan instalado	they may have installed, you (plural) may have installed

instalar in the Subjunctive Past Perfect Tense (Pluscuamperfecto del Subjuntivo)

The subjunctive past perfect is used to talk about hypothetical situations or actions in the past. It can also be used to talk about past actions that preceded other past actions. 

The verb instalar is regular in the subjunctive past perfect tense. 

To form the subjunctive past perfect you must use the imperfect subjunctive of the verb haber  + the past participle of the verb. 

The imperfect subjunctive of haber can be conjugated in two different ways. Having said that, the first conjugations are more commonly used. 

Here are the conjugations of the verb haber in the imperfect subjunctive of the verb haber:

Yo	hubiera
Tú	hubieras
Él / Ella / Usted (Ud.)	hubiera
Nosotros (as)	hubiéramos
Vosotros (as)	hubierais
Ellas / Ellos / Ustedes (Uds.)	hubieran

The other conjugations of haber in the imperfect subjunctive are:

Yo	hubiese
Tú	hubieses
Él / Ella / Usted (Ud.)	hubiese
Nosotros (as)	hubiésemos
Vosotros (as)	hubieseis
Ellas / Ellos / Ustedes (Uds.)	hubiesen

To form the past participle of a verb:

5. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)
6. Remove the ending (-ar, -er, -ir).
7. Add -ado for -ar verbs
8. Add -ido for -er and –ir verbs

Let’s apply it to instalar:

1. Find the verb in the infinitive (verb that ends in -ar, -er, -ir)  = (instalar)
2. Remove the ending (-ar, -er, -ir) = (instal)
3. Add -ado for -ar verbs  = (instalado)

The past participle of the verb instalar is instalado.

Now, let’s put it together . Here are the conjugations of the verb instalar in the subjunctive past perfect. 

Pronoun	Spanish	English
Yo	hubiese instalado	I might have installed
Tú	hubieses instalado	you might have installed
Él / Ella / Usted (Ud.)	hubiese instalado	he/she might have installed, you (formal) might have installed
Nosotros (as)	hubiésemos instalado	we might have installed
Vosotros (as)	hubieseis instalado	you (plural) Spain might have installed
Ellas / Ellos / Ustedes (Uds.)	hubiesen instalado	they might have installed, you (plural) might have installed

OR

Pronoun	Spanish	English
Yo	hubiera instalado	I might have installed
Tú	hubieras instalado	you might have installed
Él / Ella / Usted (Ud.)	hubiera instalado	he/she might have installed, you (formal) might have installed
Nosotros (as)	hubiéramos instalado	we might have installed
Vosotros (as)	hubierais instalado	you (plural) Spain might have installed
Ellas / Ellos / Ustedes (Uds.)	hubieran instalado	they might have installed, you (plural) might have installed

instalar as an Imperative Affirmative Command

The imperative Affirmative commands are used to tell someone or a group of people what to do. We do not give commands in the 1st or 3rd person which is why yo, él, ella, ellos, and ellas have been removed for this tense.

instalar is Regular when forming Imperative Affirmative Commands. 

Mostly we will give commands or tell someone we treat as (tú) what to do. Let’s learn how to conjugate that part first. 

To find the Affirmative Informal tú command of a verb follow these steps:

1. Find the tú form of the verb in the present tense. 
2. Take off the “s”
3. That will give you the affirmative informal command of a verb in the tú form. 

Reminders: Stem changing verbs should continue to have the change in the stem.

For example, The affirmative informal tú command of the verb instalar  would be instala. 

Let’s see the process:

1. Find the tú form of the verb in the present tense.  (instalas)
2. Take off the “s”.  (instala)
3. That will give you the affirmative informal command of a verb in the tú form.  (instala)

To review how to use Affirmative informal (tú) commands watch my video: Click for Video 

Pronoun	Spanish	English
N/A	N/A	N/A
Tú	¡instala!	install!
Usted (Ud.)	¡instale!	install!
Nosotros (as)	¡instalemos!	install!
Vosotros (as)	¡instalad!	install!
Ustedes (Uds.)	¡instalen!	install!

instalar as an Imperative Negative Command

The imperative Negative commands are used to tell someone or a group of people what NOT to do. We do not give commands in the 1st or 3rd person which is why yo, él, ella, ellos, and ellas have been removed for this tense.

instalar is Regular when forming Imperative Negative Commands. 

Mostly we will give commands or tell someone we treat as (tú) what to do. Let’s learn how to conjugate that part first. 

To find the Negative Informal tú command of a regular verb follow these steps:

1. Start with No
2. Find the yo form of the verb in the present tense. 
3. Take off the “o”
4. Add -es if it’s an -ar verb or -as if it’s and -er or -ir verb.

To review how to use Negative informal (tú) commands watch my video: Click for Video 

Pronoun	Spanish	English
N/A	N/A	N/A
Tú	¡no instales!	Don’t install!
Usted (Ud.)	¡no instale!	Don’t install!
Nosotros (as)	¡no instalemos!	Don’t install!
Vosotros (as)	¡no instaléis!	Don’t install!
Ustedes (Uds.)	¡no instalen!	Don’t install!