You need to point ArtRage to a Photoshop .abr file to import.
.ABR Files:
The .abr files have to be imported from within ArtRage (meaning, there's no way to simply drop the .abr file into a folder, and have the brushes appear in ArtRage). Here's a video tutorial on how to do it: http://www.youtube.com/watch?v=izXHicUy5F8
I'm afraid I'm not going to be online now for a day or two but I wish you good fortune
Others here will help you I'm sure
Maker Of Replica Macoys
Techie Stuff:
ArtRage 6.1.1 ~ 15" Macbook Pro ~ macOS 10.14.6 ~ 4 Core i7 3.1GHz CPU ~ 16GB RAM ~ Wacom Intuos4 M