Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.

Uninstall from the Start menu Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings Select Start > Settings > Apps > Installed apps . Find the app you want to remove, select More > Uninstall.

Hotmail is now Outlook.com To sign in to Hotmail, you'll need your Microsoft account username and password. Sign in at outlook.live.com

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.

Microsoft正在对永久许可证的激活体验进行现代化改造。 从 2025 年 12 月 3 日起，传统的基于电话的产品激活自动化过程已从电话转移到在线。 客户将改用产品激活门户： 产品激活门户 新的数字工作流提供更安全、更可靠且用户友好的激活体验，并有助于防止欺诈。 虽然该过程已更新，但脱机激活 ...

Learn how to use Snipping Tool to capture a screenshot, or snip, of any object on your screen, and then annotate, save, or share the image.

Download Microsoft Authenticator Microsoft Authenticator is a mobile app that helps you sign in to all your accounts without using a password.

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. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Having problems with your product key?

If you're not interested in trying the new Outlook for Windows just yet and don't want to be a part of this one-time switch, in classic Outlook go to File > Options> General > New Outlook options and uncheck Automatically switch me to new Outlook. If you don't see this option, it means you're not currently eligible for an automatic switch to new Outlook for Windows at this time. Automatic ...