It will run in 4K on the PlayStation 4 Pro and Xbox One X. Okami HD will come to the PC in Japan on December 13, 2017, followed by a Japanese PlayStation 4 and Xbox One release on December 21, 2017.
More specifically, people in North America and Europe will be able to play it on the PlayStation 4, Xbox One, and PC on December 12, 2017.
Okami originally debuted on the PlayStation 2 in 2006 and is also available on the Wii and PlayStation 3.