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.

For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

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 ...

There are different error codes or error messages that you may receive when you’re trying to make a purchase from the Microsoft Store. For more help with your specific error, go to: Xbox payment error messages and codes.

在此期间，登录到你的帐户以查看最新的退款请求状态。. . 从 Xbox 主机进行购买时看到以下错误代码和消息：. PBR9012. 我们无法获得此方式的授权。. 请尝试另外一种方式或新方式支付。. 如果有其他问题，请咨询你的银行。. 这意味着尝试购买的审批授权存在 ...

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。

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

Check the Xbox services, games, and apps for any service outages.

Change or reset your Windows password. Accessing the account of someone who has died. Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

Manage devices used with your Microsoft account. Adding a device to your Microsoft account helps you see its warranty status, get support or request service. You can also find or lock it if it's lost. On this page: Add | Register | Repairs | Rename | Remove | Unlink | Find & lock.