Windows Security is pre-installed on Windows 10 and ready for you to use at any time.

Learn how to find and install digital downloads from Microsoft Store. See instructions to download and install software directly purchased from Microsoft.

若要捕获视频截图，请打开“截图工具”，选择“ 录制 ”按钮，然后选择“ 新建录制”，或按 Windows 徽标键 + Shift + R。选择要录制的屏幕区域，然后选择“ 开始”。完成后，选择“ 停止”。此时，可以按原样保存录制内容，或在 Clipchamp 视频编辑器中选择“在 Clipchamp 中编辑 ”以使用录制内容。

Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.

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

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

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

Learn how to download, install, and configure additional language packs for your version of Windows.

Word 2021 for Windows gives you new ways to create compelling content. This article provides an overview of the new features you can discover.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.