If you still want pre-made small ISOs, search for “Tekken 4 (USA) PS2 CSO” — but always scan files with VirusTotal and run them only in a sandboxed emulator.

Whether you are revisiting the Mishima storyline or trying out Steve Fox for the first time, this PS2 classic remains a blast to play on modern emulators.

This specifies the source format. You are not looking for a PC port (which doesn't exist) or a ROM for a different console. You need a raw disc image of the PlayStation 2 game.

with the "Ultra" compression level can achieve great results, though it may use more CPU power during emulation than CHD. Key Game Features