You're looking for a repackaged version of Tekken 6 for PC. Here's what I found:
: Support for upscaling to 4K resolution at a stable 60 FPS on mid-to-high-end hardware. tekken 6 pc game repack updated
was never officially released for PC. Any "PC Game Repack" you find is a community-made package that bundles the original console files (typically from the PlayStation 3 or PSP versions) with an emulator like RPCS3 or PPSSPP to make it playable on Windows. Review: Tekken 6 "PC Repack" (Emulated Version) You're looking for a repackaged version of Tekken 6 for PC
Fighting games require precise inputs. Hook up an Xbox or PlayStation controller via Bluetooth or USB. tekken 6 pc game repack updated