i have 2.1.0 upgrade how can i revert back to previous versi

[studd@whoever.com]

also how can i eliminate full screen video playback.....now every video is full screen....it used to play in the small.er viewer & i had option for full screen if i wanted it....but some played only in full screeen and i couldnt figure out how to get rid of the full screen....now the the upgrade everything is full screen which i dont want...i dont like the new upgrade ...how can i get the older version back and how do i get rid of the full screen video playback...

[Lotesdelere]

Just manually resize the window to the size you want to use.
If you're getting into trouble to achieve this then reset the preferences:
https://wiki.videolan.org/VSG:ResetPrefs