Can't UV Map my model? UV "Save Layout" script not showing

Well, I’ve been trying to texture a weapon I made for a very long time, but for some reason it won’t show, I don’t have python installed, but when I tried (I deleted it afterwards, took to much space), I restarted Blender, it said it didn’t register, I restarted my computer, it said it didn’t register, so I’m confused as if it is related to Python. I also do not have all the export option you are supposed to have, just dxf, stl, and one more that I forgot.

This is really screwing me over.