Solution 10675: Changing the User Name for Texas Instruments Online Accounts.
How do I change my user name?
To change the user name for a TI account:
• Go to the TI website.
• Select 'Sign in' at the top of the page.
• Log in with the current user name and password.
• Select 'My Account' at the top of the home page.
• Input and verify the new user name in the change user name section.
• Select [SUBMIT] then [DONE].