Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.

Discusses how to remove viruses, spyware, rogue software, or malware using Microsoft Security Essentials, Microsoft Safety Scanner and Microsoft Defender Offline.

將 Microsoft Rewards 應用程式下載到您的 Xbox 主機，即可在遊戲或購物的同時，追蹤並賺取點：. 請按 [Xbox] 按鈕 以開啟快顯功能表，然後前往 [Microsoft Store]。. 選取 [搜尋]，然後在搜尋方塊中輸入 Microsoft Rewards。. 從結果中選擇 Microsoft Rewards 應用程式，然後將它 ...

如果你是 Xbox Game Pass Ultimate 会员，你将自动在主机上获得 EA Play 订阅会员资格，并可通过主机上的 Xbox Game Pass 体验浏览和下载 EA Play 游戏。. 如果你是 Xbox Game Pass Ultimate 或 PC Game Pass 会员，则需要关联你的 EA 和 Xbox 帐户，然后确保你的电脑上安装了 EA Desktop ...

Cloud gaming on third-party services. Learn about cloud gaming on Xbox using your Android, iOS, or Windows device.

See how to install programs on Windows 10 from a CD or DVD, from the internet, or from Microsoft Store.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Give your PC a Fresh Start. Resetting your PC lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact. In some cases, a clean installation may improve your device's performance, security, browsing experience, and battery life.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.