在 Windows 中查找 BitLocker 恢复密钥 - Microsoft 支持
个人设备的所有者或管理员激活了 BitLocker (在某些设备上也称为设备加密，) 通过“设置”应用或控制面板： 在这种情况下，激活 BitLocker 的用户选择了保存密钥的位置，或者在设备加密的情况下选择 (，) 自动将密钥保存到其 Microsoft 帐户。
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
注意: 如果是通过以下任一方式获取的 Microsoft 365：Microsoft 工作区折扣计划(以前称为家用许可计划)，则安装 2019、2016 或 2013 版的 Office 专业增强版、Office 标准版或独立应用（如 Word 或 Project）的步骤可能会有所不同：如果你通过公司购买了 Microsoft 365 供个人使用，请参阅通过工作场所折扣计划安装 ...
适用于:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
如何兑换礼品卡和代码 | Xbox Support
了解如何在移动设备、Windows 设备或 Xbox 主机上兑换 Microsoft/Xbox 礼品卡或其他代码。按“开始”按钮 ，然后在“搜索”框中输入“商店”。 从结果中选择 Microsoft Store 以打开应用。选择屏幕右上角的帐户，然后选择 兑换充值码或礼品卡。输入由 25 个字符组成的代码，选择 下一步，然后按照提示操作。
Redeem a gift card or code to your Microsoft account
How to redeem a gift card or download code in Windows. Open the Microsoft Store app below. Microsoft Store. Select your personal icon at the top of the app and then select Redeem code or gift cards. Enter the 25-character code, and then select Redeem. Don’t worry about hyphens, the system takes care of those for you.
适用于:
Microsoft 帐户仪表板
Request a refund for digital games | Xbox Support
Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date. Requests are for games in which you haven’t accumulated a significant amount of play time. Note As a limited exception, digital game products may be eligible for a refund within 30 days if you’re unsatisfied with ...
欢迎使用 Windows
为Windows 11升级做好准备. 什么是 Microsoft 帐户. 备份 Windows 电脑. 获取有关你的 Microsoft 帐户的帮助.
设置适用于 Windows 的 Xbox 无线适配器 | Xbox Support
请按照以下步骤将控制器与适用于 Windows 的 Xbox 无线适配器配对：. 通过按住 Xbox 按钮来打开控制器。. Xbox 按钮将闪烁。. 当该按钮保持常亮时，则表示控制器已连接。. 在主机上按下并松开控制器的“配对”按钮 。. 在控制器正在连接时，控制器的 LED 灯将闪烁 ...
Find your Windows product key - Microsoft Support
A Windows product key is a 25-character code used to activate Windows. It looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. 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.
适用于:
Microsoft 帐户仪表板
Change your default search engine in Microsoft Edge
Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.