Learn how to protect your device with Windows Defender SmartScreen and other app and browser control settings in Windows Security.

下面是在 Windows 10 中打开注册表编辑器的两种方法： 在任务栏上的搜索框中，键入regedit，然后选择"注册表编辑器 (桌面应用) 结果。

Find out how to submit a case review and learn more about your Xbox enforcements.

Find answers about Clipchamp in our help center and support articles collection.

Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration.

Surface app. With integrated help and support, you can find solutions to questions and issues directly from the Surface app. You can easily access device, charging, and warranty information and view and customize your connected Surface accessories.

了解如何使用 PIN、面部识别或指纹通过 Windows Hello 登录电脑。

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

You can manage all of your Microsoft subscriptions in your Microsoft account dashboard. Select each subscription to change when and how you pay, or to see order history & receipts.

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification