Find your Windows product key - Microsoft Support
Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...
Applies To:
Microsoft account dashboard
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
Update to the new Microsoft Edge - Microsoft Support
At the top corner of the browser, select Settings and more > Settings . To change appearance, select Appearance and make the changes you want to your default theme, zoom, toolbar, and fonts. To change startup behavior, select On startup, and then select what you want Microsoft Edge to display on startup.
Xbox 主机和附件手册 | Xbox Support
获取你所使用语言的 Xbox 主机和所有 Xbox 附件的手册。
更新 Xbox 无线控制器 | Xbox Support
按 Xbox 按钮 打开导航页，选择“档案和系统”>“设置”>“设备和连接”>“控制器和耳机”，然后选择要更新的控制器。. 在“Xbox One 无线控制器”屏幕上，选择“…”以查看控制器的固件版本。. 如果显示“更新”，请选择“固件版本”，然后按照提供的步骤 ...
Xbox Game Pass Ultimate 常见问题解答 | Xbox Support
是否可以恢复为主机版 Xbox Game Pass？. 你可以随时取消你的 Xbox Game Pass Ultimate 订阅，并且仍然享有 Ultimate 权益，直到预付时间结束，在该时间，你将不再需要付费。. Xbox 订阅取消和退款. 还可以从主机取消订阅。. 按控制器上的 Xbox 按钮 ，转到 “档案和系统 ...
Using product keys with Office - Microsoft Support
If you see a Let's get started screen with options to try, buy, or activate Office, this means that Office is installed on your new PC as a 1-month trial of Microsoft 365 Family. You won't receive a product key from your PC manufacturer unless you paid for an Office product key card. Instead, you can start a trial of Microsoft 365 Family, or buy Office.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Microsoft 365 for home, InfoPath 2013
Recall an email message that you sent in Outlook
Select the Classic Outlook tab and follow those steps instead. Select Sent Items in the left folder pane, then double-click the sent message to open it in a separate window. From the ribbon, select Recall Message, then select OK in the confirmation dialog box. Shortly thereafter, you'll receive a Message Recall Report in your inbox.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, Outlook on the web, Outlook.com, New Outlook for Windows
如何使用 HDMI-CEC 控制其他设备？ | Xbox Support
使用 CEC 控制设备. 在电视或 AVR 上启用 CEC 后，可在主机的电视和 A/V 电源选项设置屏幕上控制单独的 CEC 设置。. 检查 HDMI-CEC 框以激活 CEC。. 可通过选中或取消选中每个设置旁的方格来打开或关闭以下单独的 CEC 设置：. 主机开启其他设备： 打开 Xbox 主机也将 ...
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
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 ...
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013