Create installation media for Windows - Microsoft Support
Learn how to create a USB flash drive or DVD to install or reinstall Windows 11, 10, 8.1, or 7. You'll need a reliable internet connection, a blank storage device, and a product key (if applicable).
Screen mirroring and projecting to your PC or wireless display
Learn how to mirror or project another device's screen to your Windows PC using Miracast. Follow the steps for Windows 11 or Windows 10 to install the Wireless Display app or the Connect app and select the device you want to cast to.
How to check if your device meets Windows 11 system requirements after ...
Learn how to use the PC Health Check app to see if your device meets the system requirements for Windows 11 after changing hardware. Find out how to manually refresh the eligibility assessment and troubleshoot issues with the app.
Use the Office offline installer - Microsoft Support
Learn how to download and use the Office offline installer to install Microsoft 365, Office 2021, Office 2019, or Office 2016 on your PC. Follow the steps for your plan and activate Office after installation.
Applies To: Office 2024, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Ways to install Windows 11 - Microsoft Support
Learn how to upgrade to Windows 11 from Windows 10 using Windows Update, Installation Assistant, or other methods. Note that some devices may not meet the minimum system requirements for Windows 11.
Find your BitLocker recovery key - Microsoft Support
Learn how to locate your 48-digit BitLocker recovery key when you need to unlock an encrypted drive in Windows. The key can be attached to your Microsoft account, work or school account, printout, or USB flash drive.
Download and install or reinstall Office 2019, Office 2016, or Office ...
Learn how to download and install Microsoft 365 or Office 2019, 2016, or 2013 on your PC or Mac. Find out how to activate Office, troubleshoot issues, and switch languages or bit versions.
Applies To: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Learn how to download and install Microsoft 365 or Office 2021 on a PC or Mac with a Microsoft account, work or school account. Find out how to activate, troubleshoot, and change versions of Microsoft 365 or Office.
Applies To: Office 2024, Office 2024 for Mac, Office 2021, Office 2021 for Mac, Office 2019, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Contact Us - Microsoft Support
Find solutions to common problems, or get help from a support agent for Microsoft 365, Office, Windows, Xbox, Surface, and more. Sign in to get personalized help and access live chat with a Microsoft specialist.
手机连接要求和设置 - Microsoft 支持
系统要求. 手机连接 体验从 Windows 电脑和 手机连接 开始。 从电脑中,你可以使用预安装在设备上的连接至 Windows 应用或可从 Google Play 或 Samsung Galaxy Store 下载的连接至 Windows 连接到选择 Android、Samsung、HONOR、OPPO、ASUS 和vivo体设备。