If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Looking for help? For help from an agent, follow the Get help link below to chat or request a call—we’ll call you so you don’t have to wait. For even faster help, search for your topic on our site. Get help.

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

如果你有继续取消 Xbox 订阅或数字产品购买所需的信息，请联系 aka.ms/contactxboxsupport。 支持代理会帮你取消购买。 如果你想收到此购买的退款，他们可以提供有关你是否具有退款资格的详细信息。

了解在 Microsoft Store 尝试购买内容时如何解决 Xbox 购买错误。

If you're getting an error code that isn't listed on this page, contact customer support. If you upgraded to Windows 11 for free and your device isn’t activated, make sure you’re running the latest version of Windows 11. This version includes improvements to activation and troubleshooting activation errors.

了解如何修复错误“很抱歉，您的帐单地址有问题”，以便可以使用您的 Xbox 帐户进行购买。

如果你收到错误 PBR30225，则了解如何修复该错误，以便可以在你的 Xbox 主机上继续进行购买。

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check. In Windows, use Search on the taskbar to ...