PC version Fans have made a PC version. Some are still early, so read the project page first.
Fans took Perfect Dark PC Port 2 apart and rebuilt it so it runs natively on a computer, often with widescreen, higher frame rates and mods. Here is the project we know about:
Perfect Dark PC port fork: jump, combat roll, melee combos, third person, 80 simulants, spectator camera, screenshots and video recording. Bring your own ROM.