Learn how to upgrade your existing device to Windows 10 or buy a new PC. Get answers to common questions about upgrading to Windows 10.

Learn about modems and Internet connections, security, sharing files and printers, and how to set up a wireless network in your home.

Windows 10, version 21H2 update history; July 9, 2024—KB5040427 (OS Builds 19044.4651 and 19045.4651) June 11, 2024—KB5039211 (OS Builds 19044.4529 and 19045.4529)

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

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

If you have Dynamic Lighting-compatible devices (such as LED-lit keyboards, mice, case lighting, or other devices), you can control them both individually or as a group through Windows Settings, by selecting Start > Settings > Personalization > Dynamic Lighting.. When connected, compatible devices will show up as cards along the top of the page.

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.

了解如何使用 PIN、面部识别或指纹通过 Windows Hello 登录电脑。

Training: Watch and learn how to use OneDrive to upload, store, edit, and share your files.

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.