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Windows 帮助和学习
查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持,并了解安装、更新、隐私、安全等方面的信息。
Language Accessory Pack for Microsoft 365 - Microsoft Support
Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 for additional display, help, and proofing tools.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, 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
Installing Windows 11 on devices that don't meet minimum system ...
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Skype help & learning
Get help and learn how to use Skype with Microsoft's official support page.
Use Game Bar to play and chat with friends | Xbox Support
Note To use many of the Xbox features within Game Bar, including Xbox Social features, you must have the Xbox app for Windows installed. To use Xbox Social features, sign in to Game Bar with your Microsoft account. Press the Windows logo key + G to open Game Bar, choose Settings > Accounts, select Sign in, and then follow the steps.
Mise en miroir d’écran et projection sur votre PC ou écran sans fil
Remarque : L’application Affichage sans fil est disponible sur les appareils exécutant Windows 11 version 22H2 et ultérieure.Si vous exécutez une version antérieure de Windows, lancez l’application Connecter en entrant se connecter dans la zone de recherche de la barre des tâches et en sélectionnant Se connecter dans la liste des résultats.
Learn about your profile in Microsoft Teams (free) - Microsoft Support
We believe that Microsoft Teams (free) is a place where minors can interact safely to build on friendships and meaningful community. We also know that keeping online experiences safe and positive involves more than building in permission settings and controls.
Applies To: Microsoft Teams, Microsoft Teams personal
Change notification and quick settings in Windows
Select Notifications to expand it, and turn notifications, banners, and sounds on or off for some or all notification senders.
Download languages and voices for Immersive Reader, Read Mode, and Read ...
6. After the new language is installed, navigate to Language and find it in your Preferred languages list. Select your language and choose Options to adjust other language settings, download features, etc. Speech settings and voices. If text-to-speech is available in your language, you can adjust voice settings to change reader voices and speeds when using audible features like Read Aloud in ...
Applies To: OneNote for Microsoft 365, OneNote 2021, Word 2016, OneNote 2016, Immersive Reader
SUMIFS function - Microsoft Support
Argument name. Description. Sum_range (required). The range of cells to sum. Criteria_range1 (required). The range that is tested using Criteria1.. Criteria_range1 and Criteria1 set up a search pair whereby a range is searched for specific criteria. Once items in the range are found, their corresponding values in Sum_range are added.. Criteria1 (required)
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App