Software for RCX 2.0

Hey all, I got the lego mindstorms 2.0 system many years back and recently have pulled it from the grave. I, however, have lost the CD that came with it. I’ve searched the internet with no luck on where I can download a replacement of this software.

I noticed there were many other ways to program the RCX 2.0 such as NQC etc… but I wanted to start using the software that came with the kit to start out with. Do any of you know of a location I can aquire this from, preferably free? I’m approx. 3 hours into searching for the program ( RIS 2.0 ? is it called? )

Thanks a ton in advance.