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.

Avoid and report Microsoft technical support scams. Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

If you are an identity provider or a website owner who doesn't rely on Microsoft’s enterprise or consumer identities, Microsoft Authenticator app can still help you secure the identities of your users who use two-step verification.

如果在电脑上安装或更新游戏服务时遇到问题，或者你注意到电脑版 Xbox 应用启动时缺少内容，则可能需要下载并运行适用于电脑的游戏服务修复工具。. 注意 在某些情况下，你可能无法运行游戏服务修复工具，除非你在电脑上以本地管理员身份登录。. 当 Windows ...

Adding an input language lets you set a language-preference order for websites and apps, as well as change your keyboard language. Select Start > Settings > Time & language > Language & region. Select the language that has the keyboard you want, then select Options.

Select your Xbox profile (or select Choose a profile and sign in to your account). Select My profile > Customize profile, and then select your current gamertag. Under Choose your new gamertag, enter the gamertag that you want in the available text box, and then select Check availability.

How to stay safe with a genuine Office license. Note: If you already bought genuine Office, but haven't installed it yet, make sure you Uninstall the counterfeit version of Office first. If you already installed genuine Office, uninstall both versions and then reinstall the genuine version.

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 ...

Looking for help? For help from an agent, follow the Get help link below to chat or request a call—we’ll call you so you don’t have to wait. For even faster help, search for your topic on our site. Get help.

這些數位遊戲購買的退款條款涵蓋 Microsoft Store 的數位遊戲方案、Xbox 應用程式 (不含電影和電視應用程式)、數位化的遊戲搭售方案，以及數位耐久性和消耗性的遊戲方案, 無論是透過 Xbox 主機裝置或僅限於您的電腦提供 (統稱「數位遊戲產品」) 提供，例如遊戲季 ...