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.

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 how to manage background activity for apps to help save battery power in Windows.

About Windows 11 in S mode. Windows 11 in S mode is a version of Windows 11 that's streamlined for security and performance, while providing a familiar Windows experience.

请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。

Learn what to do when you see a warning message that your device does not meet Windows 11 minimum system requirements to upgrade.

Deinstallieren oder entfernen Sie Apps und Programme in der Einstellungs-App.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Use Find my device to locate and lock your lost or stolen Windows devices.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.