Hi everyone, I have a question about new Macbook Air M2.

Assuming you're in the US: Returns & Refunds - Shopping Help - Apple

Return policies may vary in other countries, but that page should point you in the right direction.

You have 14 days to return it for a refund. Unfortunately, you will have to wait about a month before the M2 based MBA becomes available, leaving you without a Mac for a while.

You cannot "exchange" - you can return for a refund and then buy something else.