Téléchargez et installez ou réinstallez Microsoft 365 ou Office 2021 ...
Découvrez comment installer, réinstaller ou activer Microsoft 365 ou Office 2019 sur un PC ou 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, Office.com
Meet Windows 11 - Microsoft Support
Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.
PowerPoint for Windows training - Microsoft Support
Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016, Office for business
Change privacy settings in Windows - Microsoft Support
How to access and change the privacy settings in Windows 10 and 11.
Learn about Microsoft Rewards - Microsoft Support
Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.
Applies To:
Microsoft account dashboard
Install Windows 7 Service Pack 1 (SP1) - Microsoft Support
Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.
Troubleshoot Outlook email setup - Microsoft Support
Learn how to troubleshoot and fix problems setting up your email in Outlook.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin
激活 Windows - Microsoft 支持
了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。
How to close your Microsoft account - Microsoft Support
Learn about what effect closing a Microsoft account might have on your other apps and services.
Windows 10 and Windows 11 in S mode FAQ - Microsoft Support
Get answers to common questions about Windows 11 and Windows 10 in S mode.