Learn more about what background apps are in Windows and how to turn them off when you're not using them.

Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

Learn how to receive and interpret activity reports of your child's device use, including web browsing, apps and games usage, and screen time.

The Basics of Search. Returning search results is no easy feat, and involves complex, near-instantaneous algorithmic calculations. A search for something as simple as “cat” could yield over 55 million results.

Learn how to get the latest Windows updates. Find answers to FAQ about updating Windows to keep your PC up to date.

Learn how to change your notification settings and quick actions using the notification center in Windows.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.

如果尝试登录到帐户，但收到一条消息，表示该帐户被锁定，则这是因为与该帐户关联的活动可能违反了我们的使用条款。. 如何解锁 Microsoft 帐户