There are thousands of solutions with almost all of them working. I can only guess the astounding number of solutions is what stopped you cold.

I will note the AUDACITY is what I use for the recording software as it is free and I can clip the recording up to drop the stuff at the beginning and end where I needed it.

Radio Shack has cables, adapters so you can run your RCA jacks to the Line In so that's too easy.
Bob