Isuue with season pass on mac...

tethered jailbreak on Apple tv 2 5.2.1.he unplugged it and trying to boot up tethered,.but he has a Mac computer and when he trys to download season pass to boot up.he gets error trying to download season pass( : safari cant open seasonpass because no available application can open it) Googled it means because his Mac version is 10.0 and he needs to update to 10.6,is there a way to still boot up without updating Mac computer…