Whats the address i send it to if I am mailing it and do I need to fill anything out before sending it

[MichaelMc]

Print, sign, and date your tax return.

Mailing addresses for federal taxes vary according to the part of the country in which you live and whether a payment is enclosed with your tax return.

Please see IRS Where to Mail Form 1040 to learn the correct address for your return.