You can change your email address by following the next steps:
1. Go to www.nxp.com
2. Sign in with your current account credentials.
3. Select the drop down arrow next to your name and click on My Account.
4. Click on Change User Information.
5. Select Request Email Address Change
6. Enter your new email address, Confirm it and Submit.
7. It will then show you a screen with your new email address and password (save them).
8.Click on the link Go to my account.
9.Sign in with your new email address and the password from the previews screen.
10. In that same menu you can personalize your password by clicking on the option: Change My Password
You can now log in to the community with your new credentials!