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

Quick Assist lets someone you trust take over your Windows 10 or Windows 11 PC and fix a problem from wherever they are.

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。

You can choose which apps will start automatically when you start your device.

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

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

Learn how to install a scanner and use it to scan pictures and documents in Windows 10.

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

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

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.