A user can change the email address and login password of the Roku account login window using the web interface of the Roku device. Visit the web interface of the Roku device using the computer or smartphone. Type my.roku.com on the address bar of your browser. Sign in to the Roku account by typing in the correct credentials on their respective fields. Take the cursor to the Account Information section, click on the Update button, perform the change you want to perform, after making changes click on the Save button.
