I am trying to use photoshop on a new desktop. have cs3 and cs 6. It won't run either program it asks me from a drop down menu which product do I own but only gives me a choice cs, 7.0 and cs2, but none of these are the two products that I own? How d

I am trying to use photoshop on a new desktop. have cs3 and cs 6. It won't run either program it asks me from a drop down menu which product do I own but only gives me a choice cs, 7.0 and cs2, but none of these are the two products that I own? How do I get my cs6 to run???