Learn how to sign in, manage, and troubleshoot your Microsoft account for personal, work, or school use. Find answers to common questions, access your account dashboard, and contact customer support.

Learn how to use PC Health Check app to check your device compatibility, performance, and troubleshoot issues for Windows 11 upgrade. Find out how to install, update, and access the app features and tips.

If your Microsoft account is hacked or compromised, you can follow the steps to secure your account and restore your data. Learn how to remove viruses or malware, use the account recovery form, and prevent future attacks.

Learn how to use BizChat, the chat experience in Microsoft 365 Copilot, to access your work data and apps, create content, and get quick answers. Find out how to write great prompts, iterate, and give feedback to help shape the future of AI.

了解如何在 Xbox 上购买和玩 Call of Duty（使命召唤）游戏，以及如何解决常见问题。访问 Xbox 论坛，获取游戏产品详细信息，或联系客户支持。

Find solutions to common problems, or get help from a support agent for Microsoft 365, Office, Windows, Xbox, Surface and more. Sign in to get personalized help and access live chat, phone, or email options.

Learn how to use Game Bar on Windows 10/11 to access various Xbox gaming activities while playing or multitasking. Adjust your audio, capture clips, chat with friends, track performance, and more with Game Bar widgets and settings.

Learn how to view and delete your Microsoft Edge browsing history stored on your device, across synced devices, and in the cloud. You can also clear Internet Explorer browsing data using Microsoft Edge if your organization has turned on Internet Explorer mode.

Learn how to change your region in Microsoft Store for Windows 11, Windows 10, Xbox, and online. Be aware of the possible issues and limitations when switching regions, such as losing your Microsoft account balance and access to some apps, games, and movies.

Learn how to use the latest wireless technologies and security standards in Windows 11, such as Wi-Fi 7, Wi-Fi 6/6E, and WPA3. Check if your router and network adapter support these features and how to connect to them.