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

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

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。

Learn what you can do if you're not receiving account aign-in verification codes.

有关如何更改 Microsoft 帐户上的名称的说明。

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

The new Microsoft Edge helps you browse, search, shop online, and more. Like all modern browsers, Microsoft Edge lets you collect and store specific data on your device, like cookies, and lets you send information to us, like browsing history, to make the experience as rich, fast, and personal as possible.

Learn how to create a OneDrive backup on your PC. Set up OneDrive PC folder backup to access, manage, stop, or fix problems with PC folder backup.

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.