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Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, 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
Screen mirroring and projecting to your PC or wireless display
You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.
Seamlessly transfer content between your devices
While you can drag content between your phone and your PC, not all apps will accept content you want to transfer. If an app doesn’t accept your content, you can try using phone screen to transfer it instead. You can’t drag and drop files between your mobile apps from your PC.
Contact Us - Microsoft Support
Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Link your social network accounts to Xbox | Xbox Support
You can link your social media account in one of two ways: Use the Xbox mobile app to scan the QR code. Select the Link option which will launch the Microsoft Edge app on Xbox. You can choose to link your Discord, Reddit, Steam, Twitch, or other social media account.
Office Help & Training
apply to the software named above and any Microsoft ser vices or so ftware updates (except to the extent s uch
Securely browse the web in Microsoft Edge - Microsoft Support
Microsoft Edge offers several features and practices that can enhance your online security and protect your personal information. Follow these guidelines to browse the web securely in Microsoft Edge.
更新和分享你的 Xbox 愿望清单 | Xbox Support
打开 Windows 版 Xbox 应用,然后登录 Microsoft 帐户。. 选择“Microsoft Store”>“我的愿望清单”>“设置”。. 选择“保密”或“公开”,然后选择“保存并关闭”。. 通过在公开清单上选择“共享”,可以复制链接并与他人共享你的愿望清单。.
Microsoft
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsSelfHost] [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsSelfHost\Account] "SupportedTypes"
Microsoft Edge help & learning
Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.