在 PC 或 Mac 上下載並安裝或重新安裝 Microsoft 365 或 Office 2021
準備安裝了嗎？ 開始之前，請確定您的PC或Mac符合 系統需求。. 如果您已兌換產品密鑰、只是重新安裝應用程式，或是知道您已透過公司或學校指派授權，您可以跳到登入以 下載並安裝 Microsoft 365 或 Office 章節。 不過，如果這是您 第一次 安裝 Microsoft 365或 Office，您可能需要先執行一些步驟。
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
Improve accessibility with the Accessibility Checker
Apply recommended actions. In the Accessibility pane, you'll see a list of errors and warnings, with how-to-fix recommendations for each.. To quickly correct the issues, apply one of the recommended actions. For more information on how the findings are categorized, see Rules for the Accessibility Checker. In the Accessibility pane, select an issue under Warnings or Errors.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, OneNote for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel for the web, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Visio Professional 2016, Visio Standard 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
Suporte da Microsoft
O suporte da Microsoft está aqui para ajudar você com os produtos da Microsoft. Encontre artigos de instruções, vídeos e treinamento para o Microsoft 365 Copilot, o Microsoft 365, o Windows, o Surface e muito mais.
Ayuda y aprendizaje de Windows
Encuentre artículos de ayuda y procedimientos para sistemas operativos Windows. Obtenga soporte técnico para Windows y obtenga información sobre la instalación, las actualizaciones, la privacidad, la seguridad y mucho más.
Office Help & Training
We would like to show you a description here but the site won’t allow us.
Error codes in Device Manager in Windows - Microsoft Support
Cause. The device has no drivers installed on your computer, or the drivers are configured incorrectly. Recommended Resolution. Update the Driver. In the device's Properties dialog box, click the Driver tab, and then click Update Driver to start the Hardware Update Wizard.Follow the instructions to update the driver.
Risolvi i problemi relativi al Bluetooth in Windows
Risolvere i problemi relativi agli accessori Bluetooth. Se è possibile attivare il Bluetooth ma si riscontrano problemi di associazione o di utilizzo di un accessorio Bluetooth, provare la procedura seguente per la risoluzione dei problemi comuni relativi agli accessori Bluetooth.
Aide et apprentissage de Windows
Trouvez de l’aide et des articles pratiques pour les systèmes d’exploitation Windows. Bénéficiez d’un support pour Windows et en savoir plus sur l’installation, les mises à jour, la confidentialité, la sécurité et bien plus encore.
Verwalten von Cookies in Microsoft Edge: Anzeigen, Zulassen, Blockieren ...
Microsoft Edge ermöglicht es Ihnen, Cookies von einer bestimmten Website zu blockieren. Dies kann jedoch verhindern, dass einige Seiten richtig angezeigt werden, oder Sie erhalten eine Nachricht von einer Website, die Sie darüber informiert, dass Sie Cookies zulassen müssen, um diese Website anzuzeigen.
Applies To:
Microsoft Edge
Aktivieren von JavaScript in Windows - Microsoft-Support
Dieser Artikel beschreibt die Schritte, mit denen Sie für alle Websites in der Zone „Internet“ das Ausführen von JavaScript in Internet Explorer, Chrome und Firefox zulassen.