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.

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.

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

How to redeem a code on Xbox Series X|S and Xbox One. Press the Xbox button to open the guide, and then select Store. Press the View button to open the side menu, and then select Redeem. Enter the 25-character code, select Next, and then follow the prompts.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

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

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。

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

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 ...

你的购买可能会因为以下某个原因而受到阻止： 近期有过多遭拒的购买尝试。 使用了来自可疑位置的 Microsoft 帐户或支付选项。