Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

Use the Xbox mobile app, the Xbox Game Pass app, or the Microsoft Store on PC to remotely install games—so your games are ready when you are. Here’s how to get your console and Windows device ready for installations that you’ll be able to start from your phone or mobile device.

A factor in authentication is a way of confirming your identity when you try to sign in. For example, a password is one kind of factor, it's a thing you know. The three most common kinds of factors are: Something you know - Like a password, or a memorized PIN.

Request an Xbox controller replacement. If your controller isn’t working and needs replacing, enter the controller’s serial number at the bottom of this page. You can find the serial number inside the battery compartment, below the barcode.

了解有关 Xbox 订阅退款政策的详细信息. 你可以在首次购买后的 30 天内或第一个定期计费日期（以更快者为准）之前收到退款，具体方法是在部分中概述的步骤中取消订阅。. 正在取消订阅。. 此外，如果在付款后 30 天内取消订阅，则有权获得最近定期计费的 ...

在开始之前，请确保电脑或 Mac 满足 系统要求 。. 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office 。. 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行 ...

如果您居住（或业务主营地）在美国，请阅读第 8 节中具有约束力的仲裁条款和共同起诉弃权，它影响争议的解决方式。. 感谢您选择微软！ 您使用 Office 移动应用软件时适用以下条款，但前提是您通过 Microsoft 在线商店之一（如 Windows 应用商店）购买该软件。 如果购买的该软件预安装在您的设备上 ...

我有活动的 Game Pass Ultimate 或 PC 版 Game Pass 订阅，但适用于 Windows 的 Xbox 应用表示我需要订阅才能玩游戏。. 如何在电脑上使用我的 Game Pass 订阅？. 确保适用于 Windows 的 Xbox 应用中报告的 Microsoft Store 帐户是用于购买 Game Pass 订阅的帐户。. 在电脑上，Microsoft Store ...

如果所购买的 Office 或 Microsoft 365 随附有产品密钥，请在你的产品所对应的下列网站中输入产品密钥。. 输入密钥后，便可以下载并安装 Office，或可以续订 Microsoft 365 订阅。. 提示: 通过业务助手获取技术专业知识。. 与我们的小型企业顾问联系，帮助使 Microsoft 365 ...