了解如何兑换礼品卡、代码或 Office 产品密钥，以及如何在 Microsoft Store 在线商店、Windows 或 Xbox 上花费余额。.

下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013. Office 2019 Office 2016 Office 2016 for Mac Office 2013. 如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品 ...

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。.

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.

These license terms are an agreement between you and Microsoft Corporation (or one of its affiliates). They apply to the software named above and any Microsoft services or software updates (except to the extent such services or updates are accompanied by new or additional terms, in which case those different terms apply prospectively and do not alter your or Microsoft’s rights relating to ...

Here's how: In Settings: Select Start > Settings > Bluetooth & devices , and then turn on Bluetooth . In quick settings: To find the quick setting for Bluetooth, select the Network, Sound, or Battery icons ( ) next to the time and date on the right side of your taskbar. Select Bluetooth to turn it on.

来自 Xbox 的通知会自动发送到你的 Xbox 消息中，可以在主机、Xbox.com 和其他用于连接到 Xbox 网络的设备上接收。. 在这封电子邮件中，你将会收到通用通知，了解发布的强制措施，以及了解更多信息的链接。. 注意 如果你的个人资料具有在 Xbox 360 上颁发的暂停或 ...

Before you begin, make sure your PC or Mac meets the system requirements. If you already redeemed a product key, you're simply reinstalling the apps, or you know you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and install Microsoft 365 or Office.

解决方案 1：检查 Xbox 状态. 查看 Xbox 状态页面。. 如果看到任何服务警报，请展开服务，向下滚动到“通知”，然后登录以在服务启动并再次运行时接收消息。. Xbox 状态. 选择当前遇到问题的服务以展开，从而了解详细信息。. 在“通知”下，选择“登录 ...

If Windows doesn't find a new driver, you can try looking for one on the device manufacturer's website and follow their instructions. Reinstall the device driver. In the search box on the taskbar, enter device manager, then select Device Manager. Right-click (or press and hold) the name of the device, and then select Uninstall. Restart your PC.