Someone explain how to cancel xbox game pass?

check whether you're paying monthly or used prepaid codes. any time you stacked from codes stays on the account and runs down either way - cancelling only stops it charging your card when that runs out.

easiest is on a browser: sign into your microsoft account, go to services & subscriptions, find game pass and choose manage, then cancel. you can also do it on the console under settings > account > subscriptions. you'll usually get two choices. turning off recurring billing lets you keep playing until the date you've already paid for. cancelling outright ends it now and sometimes offers a partial refund. if you've got time left on it, the first one is normally what you want.