Quote: Originally Posted by sillyshy
Ok but will I need to obtain the retail version like what is different between 7600 and retail?
"Retail" is printed to a disc and put in a box, then it's placed on a shelf and sold in a store.
If you purchase the upgrade discs, they'll need to see an activated/genuine prior Windows installation to go in in the first place. Otherwise there's no difference on the software level.