如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。

Get the steps for showing your favorites bar in Microsoft Edge and Internet Explorer 11.

Learn how to identify a phishing scam, designed to steal money via fake emails.

See some of the most common upgrade and installation errors for Windows 10 and Windows 11, and what you can do to try to fix them.

Find out how to change privacy settings for your camera and microphone in Windows.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Use the new Outlook for Windows for coordinated Mail, Calendar and People apps on Windows 11.

Find the Recycle Bin. If your desktop shows no icons at all, right-click (or press and hold) the desktop and select View.If Show desktop icons has no checkmark, click it to add one. If that doesn't work, try this:

Summary. Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.

Learn about the UNIQUE function, which returns a list of unique values in a list or range. UNIQUE is in a class of functions called dynamic arrays.