1 GB to 2 GB of free space (for the ZIP and extracted ISO)
Activision never developed or released an official version of Call of Duty: Modern Warfare 2 (2009 or 2022) for the PlayStation Portable. The original game was built for Xbox 360, PlayStation 3, and PC. The PSP hardware was simply not powerful enough to run the Modern Warfare engine. What are these "PPSSPP Zip Files" online? Call Of Duty Modern Warfare 2 Ppsspp Zip File Download
Use the in-app file browser to navigate to the folder where you extracted the .iso file. 1 GB to 2 GB of free space