Grand Theft Auto IV, Winter Finally Hit!

I got the mod here: http://www.gtagarage.com/mods/show.php?id=5740 I did not make the mod nor do I own it. Taken from that website "This snowmod is made for GTA IV PC Version. This mod is made by wtc (gtaforum.nl) alias jumbo0 (gtaforums.com) alias jumbo04 (youtube) (Living in Belgium and 19 years old)" PC: OS: Windows 8 64bit CPU: AMD Phenom II x6 1100T 4.4ghz / CPU-NB 3000mhz RAM: 16GB DDR3 Corsair Vengeance 1600mhz MOBO: ASRock 990FX Fatality Pro AM3+ VIDEO: ATI 2x HD5850 Crossfire both at 1010mhz core / 1190mhz mem PSU: Corsair GS700 700watt CASE: Coolermaster HAF 912 / Modded to fit H100 liquid cooler