How to Check What Version of iPadOS is Installed
These instructions are for anyone who would like to determine what iPadOS version is installed on their iPad.
Finding the iPadOS Version:
1. Open the Settings app.
2. Select General.
3. Select About.
4. From here, you can see the iPadOS version that is installed on your iPad. It will be listed in the iPadOS Version field in the "About" menu pane.