To be clear from the start:
Because there is no native PC executable, any "GTA Vice City Stories for PC" you find is either: gta vice city stories for pc highly compressed 10mb best
The PPSSPP Emulator is the most efficient way to play the PSP version of the game. there is no legitimate 10MB version of GTA
A "highly compressed 10MB" version of GTA Vice City Stories for PC does not actually exist as a playable game. This specific phrasing is a common tactic used to spread gta vice city stories for pc highly compressed 10mb best