cant download skate 3 on xbox 360

i just got ripped of 20$, lol. i buyed skate 3 yesterday, today i tried to download, BUT, when i downloaded skate 3 it just not opening, when i go to "hard drive" in console settings, it just says "file is corrupted". 😕

idk why is this happening, i really hope that someone will help me with this problem. ☹️

and there is another problem. when i downloading far cry 3 (7,9 gb), it downloads 20 minuted, BUT WHEN I DOWNLOADING SKATE 3 (6 gb), IT DOWNLOADS 4 HOURS!!!!!! 😬

pls helppppppppp ☹️

(pls help meeeeeeeeeeeeee)