Here is the full list of all 42 TEKKEN 7 achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Finished the prologue of the main story.
Won a player match online.
Obtained an overall total of 5,000,000G.
Got promoted to 1st dan.
Won three times consecutively in Treasure Battle.
Dealt 20 Rage Arts. (Excluding offline VS Battle)
Dealt 10 power crushes. (Excluding offline VS Battle)
Beat Akuma in an Arcade Battle or a Special Match in Treasure Battle.
Snatched victory from the jaws of defeat 5 times with Rage Art. (Excluding offline VS Battle)
Achieved a perfect victory. (Excluding offline VS Battle)
Dealt an overall total of 1,000 damage while in rage mode. (Excluding offline VS Battle)
Achieved a great victory. (Excluding offline VS Battle)
Dealt 10 homing attacks. (Excluding offline VS Battle)
Won a ranked match online.
Won a battle in online tournament.
Fought ten online battles.
Won three special matches in Treasure Battle.
Obtained 20 treasure boxes.
Finished Chapter 1 of the main story.
Finished Chapter 8 of the main story.
Finished Chapter 13 of the main story.
Watched the epilogue of the main story.
Finished three Character Episode stories.
Finished 10 Character Episode stories.
Dealt 50,000 damage in Practice mode.
Obtained 50 treasure boxes.
Beat Devil Kazumi in an Arcade Battle or a Special Match in Treasure Battle.
Dealt 70+ damage in an air combo. (Excluding offline VS Battle)
Performed three 10 hit combos. (Excluding offline VS Battle)
Triggered 10 screws. (Excluding offline VS Battle)
Dealt 10 Rage Drives. (Excluding offline VS Battle)
Got promoted to Initiate.
Got promoted to Brawler.
Got promoted to Warrior.
Blocked 5 Rage Arts. (Excluding offline VS Battle)
Defeated 20 opponents of a higher rank.
Performed a floor-breaking move. (Excluding offline VS Battle)
Performed a balcony-breaking move. (Excluding offline VS Battle)
Reached the bottom floor of the Forgotten Realm stage. (Excluding offline VS Battle)
Reached the deepest part of the Jungle Outpost stage. (Excluding offline VS Battle)
Obtained an overall total of 10,000,000G.
Finished the Special Chapter of the main story.