Learn new and useful keyboard features, tips, and tricks for Windows with this overview from Microsoft Support.

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。

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

Learn how to open, navigate, and troubleshoot File Explorer in Windows, with answers to common questions and support assistance.

You can easily insert a check mark (also known as a "tick mark") in Word, Outlook, Excel, or PowerPoint. These marks are static symbols. If you're looking for an interactive check box that you can click to check or uncheck, see: Add a check box or option button (Excel) or Make a checklist in Word. In your file, place the cursor where you want to insert the symbol.

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。

Si tienes problemas de sonido o audio, las siguientes sugerencias pueden ayudarte. Las sugerencias se enumeran en orden, por lo que debes empezar por la primera; comprobar si se soluciona el problema y, de no ser así, continuar por la siguiente.

Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

Windows サインイン オプションにアクセスして管理する方法について説明します。 パスワード、Windows Hello、またはセキュリティ キーを使用してデバイスのロックを解除します。