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

The Microsoft SQL Server components are updated to the following builds in this security update: SQL Server - Product version: 15.0.4382.1, file version: 2019.150.4382.1

如果你在下载和安装 Windows 更新时收到错误代码，更新疑难解答可以帮助解决该问题。 选择“开始 ”>“设置 ”>“系统 ”>“疑难解答 ”>“其他疑难解答”。 接下来，在 最常用的下，选择 Windows 更新 > 运行。. 运行完疑难解答后，最好重启设备。

With Edge Chromium, you can add multiple profiles. Profiles allow multiple users to operate in a shared environment while maintaining access to their personalized browser settings, bookmarks, and extensions.

Découvrez comment mettre à jour des pilotes dans Windows à l’aide de Gestionnaire de périphériques pour mettre à jour ou réinstaller un pilote.

Восстановление файла или папки в предыдущее состояние. Щелкните правой кнопкой мыши файл или папки и выберите Восстановить прежнюю версию. Вы увидите список доступных предыдущих версий файла или папки.

Learn how to use eye control in Windows to type with an on-screen keyboard, communicate with people, and control the mouse with your eyes.

Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.

Learn how you can manage cookies and site data you've temporarily allowed in Microsoft Edge.

Use family safety settings to block inappropriate websites and searches on Windows, Xbox and mobile devices.