i have the legion arens gold edition with the expansion pack the publisher is slitherine

yeah is installed and reinstaled 3 or 4 times the directory have all the files

i instaled legion arena but i cant play every time click "play the game" or when i insert cd1 in the cd drive it always appears the same window with the options install legion arena, instal cult of mithras, view read me etc.... but it never apears the " play the game" button, so ...