[Request] Help With Modding Scopes

Ok, so i found this very good tutorial about editing scopes in paint.. I was following it pretty good until he said to open dedit.. I have no idea what dedit is or what it does. When I try to download it I can't open it.. Someone please help me?

Here is the tutorial I found: http://www.mpgh.net/forum/211-combat...-friendly.html

omg dedit is a program provided by lithtech wich u can dl here
http://www.mpgh.net/forum/211-combat...oshoppers.html
and remember to convert to dtx lithtech then create new world and press texture and import the dtx file and export as TGA
clear enough
and edit all the files in paint.net omg easy man

Wrong section btw