Finding your BitLocker recovery key in Windows - Microsoft Support
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.
I can't sign in to my Microsoft account - Microsoft Support
Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.
Applies To:
Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Microsoft 365 for home, Outlook.com, GroupMe, Microsoft account dashboard, Microsoft Teams, Microsoft Teams personal, Microsoft To Do, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows, Outlook for Android, Outlook for iOS
Download Microsoft Authenticator - Microsoft Support
Detailed information about downloading and using Microsoft Authenticator in China. The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.
Fix Bluetooth problems in Windows - Microsoft Support
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.
KB5005463—PC Health Check Application - Microsoft Support
PC Health Check includes diagnostics to monitor device health and troubleshooting to improve performance, all from the convenience of a single dashboard. Key features include: Windows 11 eligibility: Provides a comprehensive eligibility check based on the minimum system requirements for Windows 11.
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro. Surface Laptop. Surface Laptop Studio 2. Surface Laptop Go 3. Microsoft Copilot. AI in Windows. Explore Microsoft products.
How to check if your device meets Windows 11 system requirements after ...
This article applies if you’ve recently made changes to your device hardware and are trying to upgrade to Windows 11. Hardware changes might affect your upgrade eligibility, though you’ll need to take a few steps to see your updated eligibility in Settings.
How to use the PC Health Check app - Microsoft Support
How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version.
在 Windows 中查找 BitLocker 恢复密钥 - Microsoft 支持
在 Windows 中查找 BitLocker 恢复密钥. Windows 11 Windows 10. 如果系统要求你提供 BitLocker 恢复密钥，以下信息可以帮助你找到恢复密钥，并了解系统要求你提供恢复密钥的原因。. 重要: Microsoft 支持人员无法提供或重新创建丢失的 BitLocker 恢复密钥。.
备份 BitLocker 恢复密钥 - Microsoft 支持
在正常使用中，BitLocker 只会在成功登录到 Windows 时解锁。. 但是，Windows 在检测到可能未授权的尝试访问驱动器时，需要 BitLocker 恢复密钥。. 拥有此密钥的备份副本至关重要。. 如果丢失了密钥，Microsoft支持人员无法提供密钥，也无法为你重新创建密钥。. 在大 ...