The official way to get an ISO is to "dump" the game files from a physical PS3 disc you own using a compatible Blu-ray drive.
Once you have the file, you'll need the PS3 System Software from Sony to install the emulator firmware. 🎮 Playing on Console (Official) Download Dante's Inferno iso
A "proper" guide for Dante's Inferno depends entirely on your platform, as the game never received an official PC release. 💻 Playing on PC (Emulation) The official way to get an ISO is
PPSSPP can run the PlayStation Portable version, which is less demanding on older hardware. The "ISO" Process: Download Dante's Inferno iso