Go to C:Program FilesAdobeAdobe Photoshop CC 2017PresetsBrushes
Simply drop the .abr file into that brushes folder, then start Photoshop from scratch. When you click on the brush tool in Photoshop, if you don't see your brushes click the settings icon in the drop down window where you would choose your brushes, click load brushes, then navigate to where you put them and click on Starburst Brushes to load them.
Amanda Diaz Photography - Catchlight Brushes ABR https://www.amandadiazphotography.com/beauty-brushes-bundle My complete pack of Catchlight Brushes. Use them to enhance your subjects eyes quickly and easily.