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.

Check for Windows updates. Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Report a scam. If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.

Set the region, device language, and spoken language for your products and services.

获取 iPad版Skype 的 Skype 购买和付款 支持，不论身在何处，都能与朋友和家人保持联系。.

The enablement package is a great option for installing a scoped feature update like Windows 10, version 22H2 as it enables an update from version 2004, 20H2, 21H1, or 21H2 to version 22H2 with a single restart, reducing update downtime. This enables devices to take advantage of new features now.

如何移除立即訊息或清除Skype？. 您可以Skype移除在聊天中所送出立即訊息、刪除一對一交談，或清除群組交談。. 如何移除已送出的立即訊息？. 前往聊天。. 尋找您想要移除的立即訊息。. 若要移除郵件： 行動：點選並按住郵件，然後選取移除。. 在桌面上：以 ...

如何兑换 Microsoft Rewards 积分. Microsoft account Microsoft 帐户仪表板. 有许多奖励可供你使用- 从 Amazon 到 Xbox - 全部来自 Microsoft。. 获得足够的积分后，符合条件的奖励将显示在“奖励”页面上。. 为大项目存钱，并在此过程中将你的积分花在较小的奖励上 - 无论你想 ...

使用 & 号组合数据. 选择要放置合并后数据的单元格。. 键入“=”，然后选择要合并的第一个单元格。. 键入“ & ”，然后使用引号（中间有一个空格）。. 选择要合并的下一个单元格，然后按 Enter。. 示例公式可能是“ =A2&" "&B2 ”。.

了解如果尝试在 Xbox One 或 Windows 10 设备上安装某游戏时出现 0x80073CF3 错误该如何操作。.