You've to buy the Commercial edition to publish and sell your games. Besides in the free version there are missing some important features (shaders, ..)
Gamestudio: A7.82 Commercial/A8 Commercial System specs (Laptop): Windows 7 64bit DirectX v10.1 Intel Core i7-720QM CPU @ 1,60 GHz 4GB DDR2 Ram NVIDIA GeForce GT 230M (1024MB)
