The end goal is to record a film we made to VHS tape, and then record it back into the computer and overlay it with the original digital source for the effect.
So, that's the reason to this outdated workflow
You would need something like a vhs drive for your computer. I'm just not sure there is one. Because think for a second here how is a computer going to digitally send information to a vhs where a vhs is recorded over tape.
I did find this thread though some guy seems to have it working