jdeveloper with oaframework

I am new to jdeveloper and customization of framework pages. I am trying to make some simple layout changes to a page and make those changes show up on the applications tier.

I am trying to install jdeveloper and the respective oa framework patchset that goes with it. I have reviewed document ID 416708.1, and according to it, I should be installing Patch 8751878 9I JDEVELOPER WITH OA EXTENSION ARU FOR 11I RUP7; since we are on ATG.RUP.7

My question is should I only install that patch, which will install jdeveloper on my machine (windows xp sp 3) or is there a base jdeveloper I should be installing and which version: 10 or 11.