HaloMods "Classic" Read-only Archive

im at a step where it says to click raw something editor, i cant see the on my entity screen

lol thanks one thing im not use to doing i normally check my modding sites, download.com, downloading programs thanks, but SFPF
Rock with all its cool looking designs, save mother nature man

Hey im not new at modding, im new at makin my own stuff, the only thing i need help with is where to find this enity program or another one that i can use