You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.

Windows 安全中心已预安装在 Windows 10 中并可随时使用。

提示: 如果你使用的是无线显示适配卡，请在较新的电视上连接到 HDMI 端口，然后通过无线方式将电脑与其连接。将无线显示适配器连接到电视后，请转到 Windows 11 电脑上，按 Windows 徽标键 + K 打开投放，然后选择无线显示适配器。

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

Type regedit in the search bar on the taskbar, then select Registry Editor (Desktop app) from the list of results.

Get info on how to find your IP address in Windows. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

How do I create a new account for Skype? Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Learn how to get started with PowerPoint for the web from Office.com and create presentations online.

Learn how to install Office 2013 on your PC or Office for Mac 2011.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.