It sounds like you're running into demo mode. As a first step, check out our FAQ: bit.ly/3R3oNkw. Let us know if you're still experiencing any issues with accessing your account! ^FF

Demo mode typically means that you are logging in with the incorrect account. If you have checked our FAQ and are still unable to locate your game, please reach out to Microsoft support at nitter.vloup.ch/xboxsupport or support.xbox.com ^AM