Learn different ways to remove apps and programs from your Windows 10 or 11 device. Find tips for troubleshooting, repairing, and removing malware.

Learn how to download and install Microsoft 365 or Office 2019, 2016, or 2013 on your PC or Mac. Find out how to activate Office, troubleshoot issues, and switch languages or bit versions.

Learn how to use the SetupProd_OffScrub.exe file to uninstall Office from your computer. Follow the steps for different web browsers and Office versions.

Learn how to download and install Microsoft 365 apps, like Word, Excel, and PowerPoint, on your PC or Mac. Follow the instructions in the browser and sign in with your Microsoft 365 account to activate the apps.

Learn how to access SharePoint, a browser-based app for online collaboration and document management, through your web browser. Find out how to check your subscription, troubleshoot issues, and get training for SharePoint.

Learn how to use the PC Health Check app or manual steps to see if your device meets the system requirements for Windows 11 after changing your hardware. Find out how the upgrade offer is based on various factors and how to refresh the assessment.

如果这是你第一次安装 Microsoft 365，则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“登录并安装 Office”的部分。

Learn how to switch to the new Outlook for Windows, a preview app with the latest features and design. Find out how to import settings, customize the experience, and manage your email and calendars.

Find solutions to common problems, or get help from a support agent for Microsoft products and services. Sign in to get personalized help and chat with a Microsoft specialist.

Learn how to download and install Visio 2016 or Visio Plan 2, a subscription-based version of Visio, on your Windows PC. You need a product key or a work or school account to access Visio.