How to use the PC Health Check app - Microsoft Support
Getting ready for the Windows 11 upgrade. How to check if your device meets Windows 11 system requirements after changing device hardware. Learn how to use the PC Health Check app to help you improve your device performance.
Boot Surface from a USB device - Microsoft Support
Booting from a USB device doesn’t refresh or reset your Surface. Instead, it lets you start your Surface using Windows or another operating system that’s on your USB device. For info about how to create a bootable USB drive for your Surface, see Creating and using a USB recovery drive for Surface.
Turn on device encryption - Microsoft Support
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.
Microsoft 365 help & learning
Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Microsoft 365 for Mac, Microsoft 365 for Windows
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。.