Learn how to reinstall Windows on your PC and how activation works after it's installed.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.

Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.

An overview of location permissions and your privacy in the Microsoft Edge web browser.

If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.