When creating an account on wacom.com you are asked to enter an email address, this will also be the username for your account. While you are unable to change the username, you can change your email address for where you receive emails from Wacom.
1. Go to www.wacom.com and click the login button at the top of the page.
2. Once logged in, click the "My Account" button at the top of the page.
3. Clicking "My Account" will take you to the "Welcome to Wacom ID" page. Then, click "Manage My Account."
4. On the "My Account" page, click "Edit Profile."
5. In the "Edit Your Profile" window, enter the new email address you want to use for account email notifications. You can also update your phone number here.
6. Once finished, click "Save Changes."
7. A confirmation message will appear on the page once your profile is saved.