Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.

请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Word 2021 for Windows gives you new ways to create compelling content. This article provides an overview of the new features you can discover.

Get info on how to find your IP address in Windows. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

You can choose which apps will start automatically when you start your device.

Learn how to play different type of CDs and DVDs in Windows Media Player.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.