i also found an easier way.
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The guide
Use A Mac Address Change and change your mac address. Turn off your computer. Unplug your modem if you have one. Wait 30 seconds. Plug it back in and then boot your computer back up. Make a new e-mail and register a new account with the new e-mail.
Usefull Links
https://www.tech-faq.com/change-mac-address.shtml