Protect your most important files in OneDrive Personal Vault with an extra layer of security. Learn how to set up, lock, or unlock Personal Vault.

Learn how to remove passwords from your Microsoft account to increase security.

Learn more about how to fix problems with the Windows Start menu, and what to do if the Start menu won't open.

Learn how to use Clipchamp to create, edit, and share your own custom videos.

Here are some solutions to common problems with the new Microsoft Edge . If Microsoft Edge keeps crashing. If you can't open Microsoft Edge, or if it opens briefly and then closes, or if you’re unable to open specific webpages, here are some things you can try.

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

Learn how to use Wi-Fi 7 and Wi-Fi 6 and WPA3 in Windows for better wireless coverage and network security.

Learn how to change app notifications, banners, and sound settings in Windows.

Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.