Learn what to do when you see a warning message that your device does not meet Windows 11 minimum system requirements to upgrade.

Get more out of your email with Outlook.com. We've streamlined search to make it easier than ever to find what you're looking for. New features like Files and attachment previews let you see your pictures and files without leaving your inbox.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Find and download free templates to create documents like calendars, business cards, letters, greeting cards, brochures, newsletters, or resumes.

How to select and delete a page in Word that contains text, graphics, or empty paragraphs.

A list of Excel training, from entry level to advanced skills, plus templates and other resources.

Learn how to check your PC's storage capacity and manage it effectively with Microsoft Support's guidance.

修复 Windows 中的声音或音频问题; 设置 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式 USB-C 耳机

在 Windows 11 中，必须将 Microsoft 帐户与设备上的 Windows 11 数字许可证联系起来。 通过将 Microsoft 帐户与数字许可证链接起来，即可在进行重大硬件更改时使用激活疑难解答程序重新激活 Windows。

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: