Я специально пришла пораньше, чтобы занять место у окна.

Because пришла is the past tense feminine singular form of прийти (to come / arrive).

In Russian past tense, the verb agrees with the subject in gender and number:

• я пришёл = I came / I arrived (male speaker)
• я пришла = I came / I arrived (female speaker)
• мы пришли = we came

So this sentence tells you that the speaker is female.

Специально means deliberately, on purpose, or specifically for that reason.

In this sentence, it shows that the speaker did something intentionally:

• Я специально пришла пораньше = I came earlier on purpose

It often carries the idea not by accident.

Compare:

• Я случайно пришла рано = I happened to come early
• Я специально пришла рано = I came early intentionally

Пораньше means a bit earlier or earlier than usual / earlier than someone else expected.

It comes from раньше = earlier, with the prefix по-, which often softens the meaning and makes it sound more conversational:

• рано = early
• раньше = earlier
• пораньше = somewhat earlier / a little earlier

So:

• Я пришла рано = I came early
• Я пришла пораньше = I came a bit earlier / earlier than normal

In everyday Russian, пораньше is very common.

Because чтобы introduces a purpose clause: in order to ... / so that ...

Russian normally separates this kind of subordinate clause with a comma:

• Я пришла пораньше, чтобы занять место у окна.

This is similar to English:

• I came earlier, so that I could get a seat by the window.

So the comma is standard Russian punctuation here.

Here чтобы means in order to or so that.

It introduces the goal or purpose of the action:

• Я пришла пораньше = I came earlier
• чтобы занять место у окна = in order to take/get a seat by the window

When the subject is the same in both parts, Russian often uses чтобы + infinitive:

• Я пришла, чтобы занять...
• Он позвонил, чтобы спросить...
• Мы приехали, чтобы помочь...

Because after чтобы, Russian often uses the infinitive when the person doing both actions is the same.

Here, the same speaker:

1. пришла = came
2. wanted занять = to take/get/occupy

So Russian says:

• Я пришла, чтобы занять место...

This is very natural and common.

If the subject changes, Russian more often uses a finite verb instead:

• Я пришла пораньше, чтобы он занял место. = I came earlier so that he could take a seat.

Because занять is the perfective verb, and here the speaker means to get / secure a seat as a completed result.

Compare the aspect pair:

• занимать = imperfective
• занять = perfective

In this sentence, the goal is not the ongoing process of occupying a seat, but the successful result of getting one. That is why занять is used.

Very roughly:

• занимать место can mean occupying a seat / taking up space in a general or ongoing sense
• занять место means to take a seat / secure a place

After чтобы, perfective infinitives are common when the purpose is to achieve a result.

Место is in the accusative case.

The verb занять takes a direct object, and direct objects are often in the accusative:

• занять место = to take a seat / get a place

Because место is a neuter inanimate noun, its accusative form is the same as its nominative form:

• nominative: место
• accusative: место

So the form does not change, but the case is still accusative.

Because the preposition у requires the genitive case.

• dictionary form: окно = window
• genitive singular: окна

So:

• у окна = by the window / near the window

This is a very common pattern:

• у дома = by the house
• у двери = by the door
• у моря = by the sea

In this sentence, место у окна means a seat by the window or a window seat.

Yes, literally it is place by the window.

But in Russian, место is often used where English would say seat, spot, or place, especially in contexts like transport, theaters, classrooms, or cafés.

So:

• занять место = take a seat / get a spot
• свободное место = a free seat / an available place
• место у окна = a seat by the window

This is very idiomatic Russian.

Yes, Russian word order is flexible, but the original order is very natural:

• Я специально пришла пораньше, чтобы занять место у окна.

This order flows as:

1. subject: Я
2. adverb of intention: специально
3. verb: пришла
4. adverb of time/comparison: пораньше
5. purpose clause: чтобы...

You could move words around for emphasis, for example:

• Я пришла пораньше специально, чтобы занять место у окна.
• Чтобы занять место у окна, я специально пришла пораньше.

These are possible, but the original version sounds the most neutral and natural in everyday speech.

Yes. Russian adverbs often have flexible placement.

These are all possible, though with slightly different emphasis:

• Я специально пришла пораньше...
• Я пришла специально пораньше...
• Я пришла пораньше специально...

The original version emphasizes the intentional nature of the whole action from the start. That is why it sounds especially natural.

Both can work, depending on context.

• пришла literally comes from прийти, which is usually to come or to arrive on foot
• In many English translations, came sounds the most natural:
  • I came earlier on purpose...
• But arrived earlier may also fit:
  • I arrived earlier on purpose...

Russian often does not force the same distinction English does. The important point is that the speaker reached the place.

Because Russian has no articles like a, an, or the.

So место can mean:

• a seat
• the seat
• a place
• the place

And context tells you which is meant.

Here, занять место у окна is naturally understood as:

• get a seat by the window
• take the seat by the window
• get a window seat

English needs an article; Russian does not.

Yes, absolutely.

That is often the most natural English translation.

Literally:

• чтобы занять место у окна = in order to take a seat by the window

More naturally in English:

• to get a window seat

So even though the Russian wording is more literal, the idiomatic English version may be shorter.