Learn how to organize your favorites in Microsoft Edge. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

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。

Get an overview of SharePoint. Learn about sites, lists and libraries, permissions, content types and workflows. In addition, read about some of the social features in SharePoint.

Probeer deze oplossingen als u zich niet kunt aanmelden bij uw Outlook.com-, Hotmail-, Live- of MSN-e-mailaccount of als u niet goed weet hoe u zich moet aan- of afmelden.

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

Download the Microsoft 365 Access Runtime which allows you to run Microsoft 365 Access applications if you don't have the desktop version of Microsoft 365 Access and need to use an application built to run with Access 2010 or later.

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

You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.

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