dota 2 hidden in my library and i have played before , tried to play game for few min nd its not working, any fix?

this steam key or what ? this is confusing can someone explin to me please?

Hey , i was lucky enough to get Fellowship to find out Sorry, but this product is not available for purchase in this country , this is my first time , wht should i do? plz help

help with twitch tracker i reinstall windows and i cant make it work even though i have everything linked in my account