構いませんよ

it's okay

→ 構う
phrase Common #7,631
it's okay Used to give permission or say that something does not bother you. 構いません is polite; よ adds emphasis or reassurance. The more casual form is 構わないよ.
JA: ここに座っても構いませんよ。
EN: It's okay to sit here.

本は持っていって構いませんよ

You may take the book with you.

色々と迷惑構いませんよ

I don’t mind all the trouble.

— 花様年華 (2000)

お好きなだけ時間をとって構いませんよ

You can take as much time as you like.

窓を開けて構いませんよ

You may open the window.

いつでも構いませんよ

Any time is fine with me.

明日の午後でしたらいつ来てもらって構いませんよ

If it's tomorrow afternoon, you can come whenever you like.

ちっとも構いませんよ

I don't mind at all.

構いませんよ

I don't mind.

私は構いませんよ

I don't mind.

決めるのはでなくて構いませんよ

You don't have to decide now.

返事はしなくて構いませんよ

You don't have to reply.