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。

An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.

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

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

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

Learn how to use drag and drop to transfer content between your Android device and PC.

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.

Windows 10 and 11 contain a large set of emojis. To insert one: Put your cursor where you want the emoji.

How to stop website notifications in Microsoft Edge. You can remove or block notifications for individual websites in the following ways: Remove or block notifications in Edge settings

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.