opengl sdk version

Well if you're serious about studying GL from an academic perspective you should study the official sgi version

http://www.opengl.org/resources/faq/getting_started.html

Currently on windows all you have is the 1.1 dll/lib/h files, nowt can be done about that.
However, to use post-1.1 features on windows you just have to treat them all as extensions and setup the function pointers, this can either be done by yourself or via an extension loading lib (see forum FAQ for details, I recomend GLee personaly).

You may find this article useful.