hope im in the right spot here. i have been looking everywhere for a solution to this and have had no luck finding a direct answer. so here it goes... all i want to do is find a way to upgrade the OS X on my mac pro 3.0. here are my current specs. Processor 2 x 3 GHz Quad-Core Intel Xeon Memory 16 GB 800 MHz DDR2 FB-DIMM Graphics NVIDIA GeForce 8800 GT 512 MB Software Mac OS X Lion 10.7.5 (11G63) Serial Number G880804FXYL all i want to do if find a way to at least get to a 10.9 or 10.10 osx i dont want to spend money on this mac because its just for common things but being this low of a OS is restricting me from getting application i need so i just want to see what solutions are out there. any help is appreciated. thanks.