Windows 安全中心应用的“病毒和威胁防护”页面旨在帮助你保护设备免受各种威胁（如病毒、恶意软件和勒索软件）的侵害。 该页提供对多个功能和设置的访问权限，以确保全面保护，分为以下部分： 当前威胁：此部分显示设备上当前发现的任何威胁、上次运行扫描的时间、花费的时间以及扫描的 ...

Learn more about the advanced security features for Outlook.com that come with an Office 365 Home or Office 365 Personal subscription.

The Office Document Cache contains the files Office uses to make sure your changes are saved in the cloud. Sometimes when you use Office with other apps in the cloud, the apps fail to sync properly before you close Office and this can damage, or corrupt, your Office Document Cache. Usually, Office can repair damaged cache files. However, when a cloud app hasn't synced correctly, it can prevent ...

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.

Hotmail is now Outlook.com To sign in to Hotmail, you'll need your Microsoft account username and password. Sign in at outlook.live.com

Find out how to change privacy settings for your camera and microphone in Windows.

欢迎使用Windows 11！ 了解新功能、升级常见问题解答、设备生命周期和支持选项。

Learn how to use the PC Health Check app to help you improve your device performance.

Windows 11 中的文件资源管理器可帮助你快速轻松地获取所需的文件。 若要在Windows 11中检查它，请在任务栏或“开始”菜单上将其选中，或按键盘上的 Windows 徽标键 + E。 如何使用文件资源管理器： 若要将文件夹固定到 “快速访问 ”，请右键单击 (或长按文件夹) ，然后选择“ 固定到快速访问 ...