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.

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 ...

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.

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。

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。

Pin, remove, and customize in Quick access. By default, File Explorer opens to Quick Access. You can set a folder to show up in Quick access so it'll be easy to find. Just right-click (or long-press) it and select Pin to Quick access.

如果收到数字充值码或卡作为礼品，则可以购买另一个充值码或卡以添加到帐户余额，或向帐户添加新信用卡，然后再次尝试购买。

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

若要为你的 Xbox Series X|S 或 Xbox One 主机注册或请求维修，你需要知道序列号。你可能还需要知道主机 ID 或设备 ID。