For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

You can create either a new Outlook.com email address or add an address that you already have. Then, select Add alias. After you’re returned to the previous screen, select Verify, and then follow the instructions that are provided. Or, select Add phone number.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

How to earn Microsoft Rewards points. It’s easy to rack up Microsoft Rewards points and earn your way toward great rewards like gift cards, movies, games, nonprofit donations, and more. Stay signed in with your Microsoft account and you'll earn points for doing the things you already do.

Find the information you need to build, run, and grow your small business with Microsoft 365. Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

软件只授予使用许可，而非出售。 除非依据单独协议您具有商业使用之权利，否则您只能将 Word、Excel、PowerPoint 和 OneNote 用于个人、非商业用途。

Windows 7 and Windows 8.1: Product keys can typically be found in the confirmation email you received after purchasing Windows or in the box Windows came in. Learn more about finding your Windows 7 or Windows 8.1 product key. Find your product key to activate Windows.

你尝试在 Xbox 主机上玩某款游戏时看到以下错误代码：. 0x803f9007. 这可能意味着下列情况之一：. 游戏光盘未在主机中。. 该游戏已购买并且下载，但你未登录和连接到 Xbox Live。. 该游戏试用期已过期，需要购买该游戏。. 若要解决此问题，请尝试以下解决方案 ...

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

按 [Xbox] 按鈕 以開啟快顯功能表。. 前往 [設定檔和系統] > [設定] > [帳戶] > [付款與帳單]。. 選取 [訂購記錄] 以檢視您的購買項目。. 注意事項：. 您無法在 Xbox One 上使用 Microsoft 或 Xbox 禮品卡從 Xbox 360 市集購買內容或 Xbox 360 內容。. 購買 Microsoft 或 Xbox 禮品卡時 ...