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.

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.

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.

You’ll use this new primary alias to send and receive emails, access your Microsoft account information, and appear on devices. To remove the email address or phone number that you no longer want, select the option Remove that’s next to it, and then follow the instructions that are provided.

如果在电脑上安装或更新游戏服务时遇到问题，或者你注意到电脑版 Xbox 应用启动时缺少内容，则可能需要下载并运行适用于电脑的游戏服务修复工具。. 注意 在某些情况下，你可能无法运行游戏服务修复工具，除非你在电脑上以本地管理员身份登录。. 当 Windows ...

Turn on standard BitLocker encryption. Sign in to your Windows device with an administrator account (you may have to sign out and back in to switch accounts). For more info, see Create a local or administrator account in Windows.

你尝试在 Xbox 主机上玩某款游戏时看到以下错误代码：. 0x803f9007. 这可能意味着下列情况之一：. 游戏光盘未在主机中。. 该游戏已购买并且下载，但你未登录和连接到 Xbox Live。. 该游戏试用期已过期，需要购买该游戏。. 若要解决此问题，请尝试以下解决方案 ...

Fixes an issue in which applications that use the MFC library of Visual C++ 2013 may behave incorrectly when the operating system is in high-DPI mode.

按 [Xbox] 按鈕 以開啟快顯功能表。. 前往 [設定檔和系統] > [設定] > [帳戶] > [付款與帳單]。. 選取 [訂購記錄] 以檢視您的購買項目。. 注意事項：. 您無法在 Xbox One 上使用 Microsoft 或 Xbox 禮品卡從 Xbox 360 市集購買內容或 Xbox 360 內容。. 購買 Microsoft 或 Xbox 禮品卡時 ...

Get started with Copilot. To get started, open the Copilot app from the Start menu or use the Copilot icon if present on your Windows taskbar. If your device keyboard includes a dedicated Copilot key, you can also use it to launch Copilot.