How to carry over your progress explained.
For example, here’s what I did to get everything unlocked in Hitman 3 on PlayStation.
Finally, my Hitman 2 DLC was purchased digitally, so no steps were required there.
With that all done, I could boot up Hitman 3 and have access to all previous levels.
(Note: In some cases, the carry over site will list some locations with zero mastery.
Finally, know you’re free to only do this once.