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

Learn how to download and install Microsoft 365 apps like Word, Excel, Teams, 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 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 PC Health Check app or the Microsoft Compatibility Appraiser task to see if your device meets the system requirements for Windows 11 after changing your hardware. Find out how to refresh the eligibility assessment and what factors affect the upgrade offer.

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 add, remove, connect, disconnect, and configure user accounts in Windows 10 and Windows 11. User accounts enable each person to have their own settings, documents, and applications on the same device.

Find solutions to common problems, or get help from a support agent for Microsoft 365, Office, Windows, Xbox, Surface, and more. Sign in to get personalized help and access live chat with a Microsoft specialist.

修复损坏的 Office 应用安装。 根据 Office 安装类型 (即点即用或基于 MSI 的) ，你将看到以下选项以继续修复。

Learn how to use the automated tool to uninstall Office from your computer. Follow the steps for different web browsers and select the version you want to remove.

Microsoft 365 is a subscription service that offers the latest productivity tools, cloud storage, and support, while Office 2021 is a one-time purchase that does not include upgrades or updates. Compare the features, prices, and benefits of both options and find out which one suits your needs.