in the first box select the brand of computer you have. run 7Loader_Release_4.exe as administrator. OEM logo method Generally used on branded machines 1. press install information 32 if your OS is 32 bit or 64 if your OS is 64 bit. Taringa! – Activate Windows 7 Ultimate rtm 7600-16385 with Windows7l… of 16Windows 7 Loader (Release 4) & Windows 7 Loader (Release 5) Finally I want to explain briefly how to use this Loader in 6 and 7 easy steps.