How do I know if Microsoft Office 2010 Professional Plus is activated?

To check if Microsoft Office 2010 Professional Plus is activated, follow these steps:

Open any Microsoft Office application such as Word, Excel, or PowerPoint.
Click on the “File” tab in the top-left corner of the application window.
Select “Help” or “Options” from the menu.
Look for an option that says “Product Activated” or “Product Information.”
If Microsoft Office 2010 Professional Plus is activated, it will display a message confirming the activation status.