Okay, so I've just upgraded my pc from a i7 3770 to a i7 4790K and also changed motherboards... new Mobo MSI Z97S Krait and old Mobo Gigabyte Z68X and I can't tell if evrything is installed i didn't have to reinstall Windows 8.1 and I'm confused why i didn't have too? Do I have to look through all the old drivers from the old mobo? I don't know please help? 🙁