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
Multiply and divide numbers in Excel - Microsoft Support
Multiply numbers in different cells by using a formula. You can use the PRODUCT function to multiply numbers, cells, and ranges.. You can use any combination of up to 255 numbers or cell references in the PRODUCT function. For example, the formula =PRODUCT(A2,A4:A15,12,E3:E5,150,G4,H4:J6) multiplies two single cells (A2 and G4), two numbers (12 and 150), and three ranges (A4:A15, E3:E5, and H4 ...
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
NAT type on Windows displays "Teredo is unable to qualify"
As a workaround, you can also disable the service and re-enable Teredo with the following steps: Select the Search box on the taskbar, type cmd, and then select Command prompt.; Run the following commands from the Admin command prompt to disable the AsusGameFirstService, stop the AsusGameFirstService, and re-enable Teredo in the registry:
解决适用于 Windows 的 Xbox 应用问题 | Xbox Support
如果收到错误代码 0x00000001，请在 Windows 10/11 设备上重新安装游戏服务应用：. 选择任务栏上的“搜索”图标，键入“PowerShell”，右键单击“Windows PowerShell”，然后选择“以管理员身份运行”。. 在 Windows PowerShell 中，键入以下命令并按“Enter”：. get-appxpackage ...
如何兑换礼品卡和代码 | Xbox Support
如何在 Windows 版 Xbox 应用中兑换代码. 按“开始”按钮 ，然后在“搜索”框中输入“Xbox”。. 从结果中选择 Xbox 应用以打开该应用。. 选择左上角的玩家图片，然后选择“设置”。. 在“兑换代码”下选择“兑换”。. 输入由 25 个字符组成的代码，选择 下一步 ...
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
在 Xbox 上创建家庭组的好处 | Xbox Support
Xbox 家庭组让家长或监护人为其家庭中的每个人在 Xbox 网络上感受正常的游戏体验。. 这些家庭安全设置适用于成员登录到的任何 Xbox 主机或设备。. 成人帐户称为家庭组中的组织者。. 组织者可以管理其个人帐户并管理家庭组的成员。. 儿童和青少年帐户是组织者 ...
SharePoint help & learning
The SharePoint landing page serves as a comprehensive resource for end users exploring functionalities of SharePoint. It offers guidance on getting started with SharePoint, including how to sign in, create SharePoint sites, and set up pages to organize content effectively. Users can access tutorials on managing documents and libraries within SharePoint, as well as leveraging data and lists for ...
Call of Duty（使命召唤） | Xbox Support
解决游戏或应用下载缓慢的问题. 解决 Xbox 主机意外关闭问题. 与 Xbox 成就和挑战有关的问题. 解决多人游戏连接错误问题. Xbox 云游戏保存常见问题解答. 对播放光盘的问题进行故障排除. 排查 Windows 设备上的游戏、性能和稳定性问题. 查找你的游戏和附加内容.