Since Tekken 7 is not a PSP game, you won't find an official ISO file for it. However, if you're looking for a way to play Tekken 7 on your PC, you can consider the following options:

There are some emulators available for PS4 and Xbox One, but they are not yet stable or widely available. Moreover, using emulators without owning the game can be considered piracy.

If you own a PlayStation 4 or Xbox One, you can play Tekken 7 on those consoles.