Since Tekken 3 was originally a PlayStation (PSX) title, modern PCs require an emulator to run the game files.
Many available downloads are actually "Pro Guides" or walkthroughs that provide tips, move lists, and strategies for mastering characters. tekken-3-game-free-download-direct-link
Playing Tekken 3 on the go is also possible through specialized mobile apps and guides found on platforms like Softonic and Soft112 . Since Tekken 3 was originally a PlayStation (PSX)