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。

Use family safety settings to block inappropriate websites and searches on Windows, Xbox and mobile devices.

How to stop website notifications in Microsoft Edge. You can remove or block notifications for individual websites in the following ways: Remove or block notifications in Edge settings

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Microsoft Rewards offers and redemption catalogs vary across regions. The following is a list of countries/regions in which Microsoft Rewards is currently available:

As you browse the web, you'll see an icon in the address bar that indicates the security of the connection to the site you're visiting. This icon helps you determine if you can safely send and receive information from the site.

Learn how to make items on the screen appear larger by using Magnifier in Windows.

Learn how to manage background activity for apps to help save battery power in Windows.

Learn how to connect with your family and friends outside of the office, with new features in Microsoft Teams (free), available on mobile and desktop.

如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。