Downloading the proper patch of Jdeveloper for OAF version

Once you have determined the version of OAF you have as explained here, Search Oralce support(Metalink)  for Note ID 416708.1 to determine the suitable patch for your Jdeveloper version.

Note that the patch itself is a Jdeveloper copy with OAF extensions.

You wont need anything else for starting your OAF development.

Determining the version of OAF (Oracle Application Framework)

In any OAF self service page click on the “About this Page” link. This should be on the bottom left of the page.

Click on the “Technology Components” tab and this should give you all the details of the OA Framework version.