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

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

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

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

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

Find out the steps you can take if you receive a message telling you a driver can't load on your device.

In Windows 11, apps don't automatically get added to your desktop. Learn how to pin apps to your desktop or taskbar in Windows 11 or Windows 10.

Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality.

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