了解如何从“设置”、登录屏幕和黑屏或空白屏幕启动到 Windows 中的安全模式。

Découvrez comment installer, réinstaller ou activer Microsoft 365 ou Office 2019 sur un PC ou Mac.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

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

Find and replace basic text. In the upper-right corner of the document, in the search box , type the word or phrase that you want to find, and Word will highlight all instances of the word or phrase throughout the document.. To replace found text: Select the magnifying glass, and then select Replace.

To use your camera with apps on Windows 11, you'll need to turn on some permissions in Camera settings. Then, you'll need to check your app permissions if you want to use your camera with apps.

Erfahren Sie, wie Sie einen Scanner installieren und zum Scannen von Bildern und Dokumenten in Windows 10 verwenden.

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

使用双重验证时，Microsoft Authenticator 应用可帮助你登录帐户。

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