Get the steps for turning Windows Defender Firewall on or off.

Play music and video in more formats and stream it to more places with Windows Media Player 12.

The new Microsoft Edge is based on Chromium and was released on January 15, 2020. It is compatible with all supported versions of Windows, and macOS. With speed, performance, best in class compatibility for websites and extensions, and built-in privacy and security features, it's the only browser you'll ever need.

使用 Windows 设置应用更改桌面背景和颜色。

Learn how to use your voice to create and edit documents in Word with the Dictate feature. Find out how to enable, customize, and troubleshoot Dictation.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

注意: 如果数据位于 Excel 表中，则“转置”功能不可用。您可以 将 表格 转换为区域 中首先，或可以使用 TRANSPOSE 函数 旋转的行和列。

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

Find out how to connect your Xbox Wireless Controller to a Windows device.