PLz help me out from Acer Iconia a500 32gb android version topic

PLz help me out from Acer Iconia a500 32gb android version !!
It says it ha ANDROID 3.2.1 ?
what does that really means ? IDK
I want to install jelly bean 4.2 or 4.1 !!
Or which android i shall install on it ??
will it support kitkat or lolipop ??
Or i shall let it be with its android version ( i hate it )
Actually i IDK where to search in this forum for installing new android version !! so plz help me guys !
Need your help