Account help
Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.
Surface supported operating systems - Microsoft Support
Surface Book 2 zSurface Book_ Surface Book with Performance Base Surface Go Surface Go with LTE Advanced Surface Laptop 3 - 13 inch Surface Laptop 3 - 15 inch Surface Laptop 2 Surface Laptop (1st Gen) Surface Pro X Surface Pro 7 Surface Pro 6 Surface Pro with LTE Advanced Surface Pro (5th Gen) Surface Pro 4 Surface Pro 3 Surface Pro 2 Surface Pro (1st Gen) Surface Studio 2 Surface Studio 1 ...
在电脑或 Mac 上下载并安装或重新安装 Microsoft 365 或 Office 2021 - Microsoft 支持
准备好安装了吗？ 在开始之前，请确保电脑或 Mac 满足 系统要求。. 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office。 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。
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
Contattaci - Supporto tecnico Microsoft
Contatta il Supporto tecnico Microsoft. Trova soluzioni a problemi comuni, oppure ottieni assistenza da un operatore del supporto.
Auxílio e aprendizado do Microsoft Edge
Obtenha ajuda e suporte para o Microsoft Edge. Encontre conteúdo de suporte do Microsoft Edge, artigos de instruções, tutoriais e muito mais.
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
Como usar a barra de tarefas no Windows 11 - Suporte da Microsoft
Na caixa de pesquisa na barra de tarefas, digite o nome do app que você deseja fixar na barra de tarefas. Clique com o botão direito do mouse no aplicativo e selecione Fixar na barra de tarefas.Se você não estiver trabalhando, siga as mesmas etapas e selecione Desempinar na barra de tarefas.
July 9, 2024—KB5040435 (OS Build 26100.1150) - Microsoft Support
If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device. For more information about security vulnerabilities, please refer to the Security Update Guide website and the July 2024 Security Updates.. Windows 11 servicing stack update (KB5039333)- 26100.998
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Windows 11 and Secure Boot - Microsoft Support
Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.