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.

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.

Use the Xbox mobile app, the Xbox Game Pass app, or the Microsoft Store on PC to remotely install games—so your games are ready when you are. Here’s how to get your console and Windows device ready for installations that you’ll be able to start from your phone or mobile device.

Contact Support. 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.

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 ...

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.

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。. 选择“ 无障碍 ”或“ 询问我的 PIN ”。. 注意 如果你选择“ 锁定 ”，则可能 ...

Manage background activity for apps in Windows. Some apps let you manage background activity, which determines what they can do when they’re in the background and not actively in use. Apps that can run in the background can send and receive notifications, sync information, and stay up to date.