Kingdom Hearts 3D: Dream Drop Distance HD has never been released for PC, so it has no PC system requirements. It came out on PlayStation 4. Released in 2012.
Running Kingdom Hearts 3D: Dream Drop Distance HD on a computer
There is no emulator for PlayStation 4 that this site will point you at.
Games of the same series that run on PC
Kingdom Hearts: Melody of Memory
Kingdom Hearts III: Re Mind
Kingdom Hearts III
KINGDOM HEARTS HD 1.5 +2.5 ReMIX
Kingdom Hearts HD 2.8 Final Chapter Prologue
Where Kingdom Hearts 3D: Dream Drop Distance HD can be played
Platforms: PlayStation 4.
