Learn how to use a USB flash drive or DVD to install or reinstall Windows 10, 8.1, 7, or 11. Find the software download website, product key, and recovery options.

Learn how to mirror or project another device's screen to your Windows PC using Miracast. Follow the steps for Windows 11 or Windows 10 to install the Wireless Display app and connect to a TV, projector, or other display.

Learn how to share your Xbox Game Pass benefits with friends and family on any Xbox console. Find out how to make your primary Xbox your home Xbox and how to sign in on the go.

Learn how to use PC Health Check app to check your device health, Windows 11 eligibility, and troubleshoot performance issues. Find out how to install, update, and access the app features and settings.

Learn how to cancel an Xbox subscription and check for refund eligibility in different markets and scenarios. Find out how to manage your subscription, troubleshoot issues, and prevent unexpected charges.

Xbox Game Pass Core 是一种新的订阅服务，让玩家可以在 Xbox Series X|S 和 Xbox One 主机上畅玩精选游戏集合，并享受会员优惠。了解如何加入、管理、取消 Game Pass Core，以及与 Xbox Live Gold 和 Xbox Game Pass Ultimate 的区别和联系。

Learn how to use the PC Health Check app or the Microsoft Compatibility Appraiser task to see if your device meets the system requirements for Windows 11 after changing your hardware. Find out how to refresh the eligibility assessment and what factors affect the upgrade offer.

Learn how to view, change, or cancel your Xbox subscriptions, such as Xbox Live Gold or Xbox Game Pass. Find out how to pay a past-due balance, turn on recurring billing, or get the latest offers on subscriptions.

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 manage, cancel, or refund your Xbox subscriptions and billing options. Find answers to common questions and issues with digital games, gift cards, and more.