Chevy s10 gmc Sonoma third door find and replace part1

I show you the entire process pretty much I found it in the junkyard and it was in really good shape I am taking my old door which is Rusted stuck and pretty much trashed out it is very difficult I'm cutting with a Sawzall and die grinder so I chopped it up I am just trying to figure out how to get the pins out now and where to attain new ones