Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

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

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。

Find out how Microsoft uses activity history data to provide personalized cross-device experiences and to help improve its products and services.

Découvrez comment créer un support d’installation pour l’installation ou la réinstallation de Windows 7, Windows 8.1 ou Windows 10.

Type regedit in the search bar on the taskbar, then select Registry Editor (Desktop app) from the list of results.

How to sort and organize your Excel data numerically, alphabetically, by priority or format, by date and time, and more.

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

Internet Explorer 11 支持已于 2022 年 6 月 15 日结束。 如果访问的任何网站需要Internet Explorer 11，则可以在Microsoft Edge中使用Internet Explorer模式打开它。

Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.