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.

If you run into problems trying to connect to a Bluetooth device, here are some troubleshooting steps to try. Note: For general info about how to connect a Bluetooth device to your PC, see Pair a Bluetooth device in Windows.

Troubleshooting verification code issues. Avoid and report Microsoft technical support scams. Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

尝试在 Xbox 主机上进行购买时看到以下错误消息：. 已阻止您的账户在 Microsoft Store 中进行购买。. 有关详细信息，请转到 Xbox.com/PurchaseBlock. 这可能意味着：. Xbox 服务暂时出错。. Microsoft 帐户的隐私和在线安全设置正在阻止您进行购买。. 您的 Xbox One 主机或 ...

If you’re having trouble completing an Xbox purchase, try our solutions to resolve your issue. Note If Steps 1-3 don’t resolve your issue, make sure to review the info that’s provided under “Additional support solutions” for the scenario that best fits your situation.

Windows 10 Update Assistant. The Windows 10 Update Assistant downloads and installs feature updates on your device. Feature updates like Windows 10, version 1909 (a.k.a. the Windows 10 November 2019 Update) offer new functionality and help keep your systems secure.

Manage devices used with your Microsoft account. To find your serial number, see: Find the Xbox console ID, device ID, and serial number. After you've registered, you'll see the warranty status for your device. For more info about warranties and repairs, go to: Getting your Xbox device serviced.

There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our troubleshooter to help guide you.

解决方案：从主机中删除你的帐户. 转到“系统”>“设置”>“账户”>“删除账户”。. 选择要删除的帐户，然后选择“删除”。. 选择“登录”，然后再次添加你的帐户并输入密码。.

Find the information you need to build, run, and grow your small business with Microsoft 365. Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.