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.

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

本文介绍如何获取最新版本的 DirectX 以启用系统上的游戏和多媒体应用程序。

Learn how to reinstall Windows on your PC and how activation works after it's installed.

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

Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.

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

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Learn how to get Outlook set up to work with Microsoft 365, POP, IMAP, or Microsoft Exchange-based email accounts.