查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时，通常需要产品密钥。 通常，如果购买的是实物 Windows 拷贝，产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。

On the Design tab, select Watermark.. In the Insert Watermark dialog, select Text and either type your own watermark text or select one, like DRAFT, from the list. Then, customize the watermark by setting the font, layout, size, colors, and orientation. If you don’t see the watermark, click View > Print Layout.This also shows how the printed watermark will look.

2. Record Validation Rule You can use a record validation rule to specify a condition that all valid records must satisfy.You can compare values across different fields using a record validation rule. For example, a record with two date fields might require that values of one field always precede values of the other field (e.g., StartDate is before EndDate).

Right click or long press on Command Prompt and select Run as administrator.

The Microsoft Edge feature that blocks pop-ups is effective in preventing websites from automatically opening a new window or tab, or a partial window on top of your current web page. This feature is turned on by default. There are many different types of pop-ups, including advertisements, notices, offers, or alerts that can appear at various times on any web page. Some can be helpful, such as ...

In Excel for the web, you can use the named ranges you've defined in Excel for Windows or Mac. Select a name from the Name Box to go to the range's location, or use the Named Range in a formula.

你可以随时取消 Xbox 订阅。 关闭定期计费将停止订阅的未来扣费，并使你在订阅到期之前使用其权益。 你也可能有资格立即取消并获得退款；但不是所有订阅费用都能退款。

返回某个月份最后一天的序列号，该月份与 start_date 相隔（之后或之后）指示的月份数。 使用函数 EOMONTH 可以计算正好在特定月份中最后一天到期的到期日。 这需要开始日期和使用月份。

Preview the file upload question your responders will see. Select Preview to see how your question will appear to your form responders. The Upload file button will be active and ready for responders to interact with.. When responders successfully upload files, they'll see their files represented in their answer.

沉浸式阅读器中的文本首选项. 从各种文本和颜色选项（如文本大小、文本间距和页面主题）中进行选择，以增强沉浸式阅读器体验。. 从沉浸式阅读器工具栏的文本首选项中查找这些设置。. 文本大小：在“ 文本大小”标签下，向右移动滑块以使文本更大;将其向左移动，使文本变小。