Can't update my bbb rev c with the enw image

I am new with the beaglebone stuff and in teh website all the insturction for “getting started” are very old , none of them match to the scereenshots

I have no idea how to update my bbb and i need to do it as fast as posibble for my project with lcd touch screen

I already downloaded the enwest image , zip-7 and win32 disk imager