Demo Hero on MacOS High Sierra

[gratz]

I have a MacBook Air with MacOS High Sierra to play but I can't test heros or skins etc
When I try to "Demo Hero" I get some error "The custom game archive does not match between the game and client."

[remember166]

just verify game files go to steam in library right click on dota 2 then properties then local files then verify intergity of game files

[gratz]

Already did