When I unbowed my gtx 970 from gigabyte I saw its drivers disk and tossed it aside because it was probably outdated but now that I am reading what is says on the disk I am reconsidering, it says "graphics accelerating drivers" and comes with oc guru ,Google utilities, GeForce experience,direct X 9 runtime libraries and windows 8 display drivers. Is it worth it to install from disk and update later or should I get it directly from nvidia.com? Also is oc guru worth it? It says that it overclock better with a gigabyte card but that could just be for advertising since it normally should not matter how u boost the clock speed.