If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product.

For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.

Find and open File Explorer in Windows 10 and Windows 11, and customize Quick access by pinning and removing files and folders.

重新安装类型 可供选择的重新安装选项 你的应用会怎样 存储 在 \Users 下的个人数据会怎样 存储在其他文件夹或驱动器中的数据会怎样 所需的磁盘空间 重置Windows 11 保留我的文件 不是电脑附带的应用将会删除。

Get steps for how to change screen brightness in Windows.

Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Deinstallieren oder entfernen Sie Apps und Programme in der Einstellungs-App.

In the upper left corner of the window, select the app launcher > All apps > SharePoint Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.