Click on the Subscriptions tab in the left sidebar. In the Game Pass section, click on Manage. Then click on Cancel subscription, the last option in the menu.

Choose the Xbox Game Pass subscription you want to cancel and select Cancel subscription. Then follow the steps to complete the cancellation. If eligible for a refund based on timing, you'll see ...

You can easily cancel your Xbox Live subscription on your Xbox One console or on your computer. Here's how to do it.