hook-up v-amp 2 on my computer with my guitar amp

[obituary_167@hotmail.com]

hi everyone i want to know how can i hook my v-amp 2 on my computer and my amp will be a speaker. i dont know where to put the cable in order to record on my computer, i dont want the sound com to my speaker, just the amp. i know i have to put my giatr in the input of the v-amp and after i dont know, aux in, left, right line out, do i need a y adaptor for my computer line in thanks im new to this