The modern "remaster" includes boosters that tempt you to cheat. Mods let you skip random encounters. The unmodified version forces you to endure the grind, the slow text speed, and the brutal save points. It’s a more honest representation of the original game design.
The version available on Steam today is based on a 2012 re-release. To make it truly "unmodified," you must undo some of the modern changes: final fantasy vii pc original unmodified
If you played this on a standard Sound Blaster card in 1998, you were greeted with tinny, robotic synth noises. It was rough. But, if you were lucky enough to have a Yamaha synthesizer card (or a modern equivalent like VirtualMIDISynth with the famous "Final Fantasy VII soundfont"), the PC version actually sounded different than the PS1. The modern "remaster" includes boosters that tempt you