Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Find solutions for Xbox account and profile issues, manage settings, and get support for your Xbox experience.

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

降级订阅： Game Pass Ultimate 和 Game Pass Premium 可以降级到较低级别的订阅。 降级时，不会立即收费。 你当前的订阅将持续到下一个续订日期，然后变更为新订阅等级，并在该日期收取新订阅费用。

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

How did gamertags change? We updated new Xbox gamertags to support a 12-character max, Unicode-based name of your choice, with an auto-generated suffix if the gamertag is shared. We offer 13 different alphabets for gamers, which support more than 200 languages worldwide.

Using Authenticator as a way to sign in If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in: Go to the site where you want to sign in. Enter your username at the sign-in prompt and select Next. Select Send notification.

Find out how to change your Xbox gamertag through a browser, on your Xbox console, or your Windows device.

This article has guidance for: Organizations with IT-managed Windows devices and updates.

Get an error message or error code when making a purchase on Xbox? Find out what they mean.