Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.

To change notification settings for individual senders, under Get notifications from these senders, turn a notification sender either on or off—or select a sender's name and then turn on or turn off notification banners, lock screen privacy, turn notification sounds on or off, and set the priority of notifications.

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。

Important: We have removed the ability to share single pages of notes. Please read below for more information about this feature deprecation and other ways to share a page.. Sharing a link to a section of your notebook means people you have shared with will be able to see your entire notebook.

Touch gestures. You can use these gestures on the touch screen of your Windows 11 device. To turn touch gestures on, select Start > Settings > Bluetooth & devices > Touch > Three- and four-finger touch gestures, and make sure it's turned on.

Explore Microsoft Store services From free shipping and returns to our 60-day price protection, we’re here to help you do more with best-in-class devices, software, games, and resources.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

To open Action Center, do any of the following: On the right end of the taskbar, select the Action Center icon.

In Windows 11, ensure that Camera access, Let apps access your camera, and the individual toggle for the Microsoft Store app you wish to use is turned on. If you do not see the app or website you're looking for in the list, it's likely a desktop app. Desktop apps cannot be individually toggled, but access for those apps can be controlled using Let desktop apps access your camera.

Whiteboard makes it easy to collaborate in the hybrid workplace or classroom. Brainstorm, plan, and share with others on a digital canvas, all in real time!