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

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

To create a document, open Word, select a blank document or template, and start typing. Discover professionally designed templates for Microsoft Word.

Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.

Change your password with your email provider. See the following sections for instructions on changing your email account password for several major email providers.

How to use conditional formatting in Excel to visually explore, analyze, and identify patterns and trends.

Learn about Windows 11 minimum system requirements and how to assess your upgrade eligibility.

警告: 如果升级到 Windows 后不到 10 天，则以前的 Windows 版本将列为可以删除的系统文件。可以将其删除，但请记住，你将删除 Windows.old 文件夹，其中包含文件，可让你选择返回到以前版本的 Windows。

Set the region, device language, and spoken language for your products and services.