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

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

如果在设置中打开以不同于首选语言编写的页面，Microsoft Edge 将自动提示你翻译它。 转到使用外语编写的网页时，“翻译”图标 显示在地址栏中。 如果某种语言不在“设置”的“首选语言”列表中，则将被视为外语。若要在列表中添加或删除语言，请在 Microsoft Edge 中，转到 “设置”等 > 设置 ...

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To check activation status in Windows 11, select the Start button, and then select Settings > System and then select Activation .. Your activation status will be listed next to Activation.. Check activation status in Settings. You'll see one of these activation status messages on the Activation page:

Cookies are small pieces of data stored on your device by websites you visit. They serve various purposes, such as remembering login credentials, site preferences, and tracking user behavior.

My Account portal for work or school accounts; Change your work or school account password; Find the administrator for your work or school account

Once you've allowed microphone access to your apps, you can change the settings for each app. In Microphone settings, go to Choose which apps can access your microphone, and turn on apps you want to use with it.For desktop apps, make sure that Let desktop apps access your microphone is turned on.

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Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.