Learn how to use the PC Health Check app to help you improve your device performance.

See what's new in recent Windows 10 and Windows 11 updates, including a chat from the taskbar, widgets, snap groups, and more.

The Photos app in Windows 10 does the same things as Windows Photo Viewer did, and more.

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

了解如何在电脑上重新安装 Windows，以及安装 Windows 后激活的工作原理。

Learn how to get started with PowerPoint for the web from Office.com and create presentations online.

Learn how to automatically or manually install the latest Windows updates to access the latest features and improvements.

Learn how to change your account picture in Windows. Choose from pictures on your PC or take a new selfie.

Find out how to view the printer queue in Windows.

Learn how to use Disk Cleanup to remove files from a previous installation of Windows.