(NO TECH2WIN) VXDIAG VCX Nano GM USB + Surface Tablet w/GDS2 & Techline Software
Tech2Win requires all other software to be uninstalled before installing the VCX Nano Tech2Win. It also requires Windows 7 as well as the OS to be downgraded from a 64 bit OS to a 32 bit OS. Tech2Win will require a seperate computer that only runs Tech2Win and nothing else.