Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...

你的 Surface 附带 Windows 恢复信息，可使用它恢复 Surface 或将其重置为出厂状态。. 请在下载恢复映像前始终先尝试这样做。. 若要了解详细信息，请参阅以下链接。. 对于 Surface Hub 2S 和 Surface Hub 3，请参阅 重置 Surface Hub 2S & Surface Hub 3 的 & 恢复，了解每种设备型号 ...

To sign out, go to Outlook.com. Select your account initials or account picture at the top corner of your Inbox. Select Sign out. Tips: If you don't see your picture at the top of screen, check to see if ad blocking is turned on. Sometimes this prevents the picture from showing. If you don't see see Profile or Account options, you can access ...

If you don't have a desktop PC and the slider doesn't appear or work, try updating the display driver. Select Search on the taskbar, type Device Manager, and then select Device Manager from the list of results.In Device Manager, select Display adapters, then select the display adapter.Press and hold (or right-click) the display adapter name, then select Update driver and follow the instructions.

你可以使用安装介质（U 盘或 DVD）来安装 Windows 的新副本、执行全新安装或重新安装 Windows。 要创建安装介质，请转到软件下载网站，你可以在这里找到分步说明。 在该网站上，你可以选择 Windows 版本，并使用 U 盘或 DVD 创建自己的安装介质。

There's no charge to switch out of S mode. To switch out of S mode, click here to open the Microsoft Store to the Switch out of S mode (or similar) page. On the Switch out of S mode (or similar) page, select the Get button. After you see a confirmation message on the page, you'll be able to install apps from outside of the Microsoft Store.

A função SUM adiciona valores. É possível adicionar valores individuais, referências de célula ou intervalos, ou uma mistura dos três. Por exemplo: =SOMA (A2:A10) Adiciona os valores nas células A2:10. =SOMA (A2:A10;C2:C10) Adiciona os valores nas células A2:10, bem como nas células C2:C10.

In Windows 11, select Start, type control panel, then select Control Panel > Network and Internet > Network and Sharing Center . Select Set up a new connection or network. Select Set up a new network, then choose Next. The wizard will walk you through creating a network name and a security key. If your router supports it, the wizard will ...

使用鼠标滚轮进行放大和缩小。. Ctrl + Alt + 鼠标滚轮. 沿箭头键的方向平移。. Ctrl + Alt + 箭头键. 打开 "放大镜" 设置。. Windows 徽标键 + M. 切换为反转屏幕颜色，或将 "放大镜" 打开时，将反转的屏幕颜色恢复为默认颜色。. Ctrl + Alt + I. 切换到全屏视图。.

Microsoft 于 2023 年 9 月发布了以下 Office 安全和非安全更新。. 这些更新旨在帮助我们的客户使其计算机保持最新状态。. 我们建议您安装适用于您的所有更新。. 若要下载更新，请选择以下列表中的相应知识库文章，然后转到本文的“如何下载和安装更新”部分。.