Learn how to activate Windows using an internet connection, automated system, or live support advocate.

Learn about the differences between a Microsoft 365 subscription, Office 2016, and the free Office Online apps.

In Windows, having a camera and microphone as part of your device lets you make Teams video calls, take pictures, record videos, and more. Many apps and services request and use the camera or microphone, and Windows settings give you control over which apps can use your camera or microphone.

Создание установочного носителя для установки или переустановки Windows 7, Windows 8.1 или Windows 10.

Change the capitalization of text to lowercase, UPPERCASE, Capitalize First Word, or Sentence case in your documents.

下面是声音设备制造商的驱动程序下载页面的示例。 如果安装更新后有声音问题 如果音频在你运行 Windows 更新前正常工作，现在无法正常工作，请尝试回退音频驱动程序。

Deinstallieren oder entfernen Sie Apps und Programme in der Einstellungs-App.

Learn how to view, manage, and delete cookies in Microsoft Edge.

Copilot is available in the Home tab of Word, Excel (Preview), PowerPoint, and Outlook if you are a Copilot subscriber. If you also have a Microsoft 365 subscription that includes the Microsoft 365 desktop apps then you should find Copilot available in those apps as well.

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.