How to load Brush files in Photoshop

Simply unzip the brushes file to your computer, and then copy the ABR file to your Photoshop > Presets > Brushes folder. 

This can be located at:

   Mac:
   Applications > Adobe Photoshop > Presets > Brushes

   Windows:
   Program Files > Adobe Photoshop > Presets > Brushes

Next, load Photoshop, select the Brushes tool, then click the brushes presets window at the top of the screen. 
Click the small arrow to the right and choose the new brush set from the list below. You can append the brushes 
to add them to the existing list, or replace every brush with the new set.

Enjoy!