The game is transformed by a 60fps presentation, and despite some pretty nice quality of life improvements in the official Square Enix remaster of FF7 released on PC and many other platforms over the last decade, mods like this are why a modded PC version remains utterly definitive. .
If you want a more in-depth explanation and demonstration of the 60fps mod, including a side-by-side comparison, the folks at Tsunamods also have a pretty solid YouTube video showing off the mod - though the version of the game showcased also includes a bunch of other mods and changes which you may or may not enjoy.