To change your User ID or Password, you'll want to be logged into your TurboTax online account.
-
Go to your Intuit Account and sign in to your account.
-
Select Intuit Account in the lower-left corner of the screen.
-
Look under Sign In & Security and select Edit next to either User ID or Password
-
Enter the new information.
-
Enter your existing password.
-
Click Save.
This link How do I change my TurboTax login (user ID or password)? has information you may find useful.