You can request a copy of your tax transcript by visiting the following link: https://www.irs.gov/Individuals/Get-Transcript
To recover any account you may have (get your password and user name) please visit the following link: https://myturbotax.intuit.com/account-recovery/
No, once you have filed your tax return you can not change the address that listed as your home address in order to receive any refund.
