Learn how Smart charging in Windows can help your battery last longer over time.

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

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

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。

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 extend your PC's battery life using battery saver and other power-saving tips for Windows.

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

As you browse the web, you'll see an icon in the address bar that indicates the security of the connection to the site you're visiting. This icon helps you determine if you can safely send and receive information from the site.

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