Complex sentence: RPCS3 is a free and open-source in-development video game console emulator for the PlayStation 3 and PlayStation Vita that runs on Windows and Linux, allowing games to be played and debugged on a PC.
Split into simpler sentences: RPCS3 is a free and open-source in-development video game console emulator for the PlayStation 3 and PlayStation Vita. The emulator currently runs on both Windows and Linux operating systems, allowing PlayStation 3 games and software to be played and debugged on a PC.