Let's install:
Photoshop Actions Guide
PHOTOSHOP ACTIONS
1. Download/unzip your .atn file
2. Double-click on the file to open and install it automatically into Photoshop. You should now see it in your list of 'Actions' (Select "Window" from the top menu to confirm Actions panel is checked visible)
We've tried to cover the most common scenarios here - we might not have guides for every software but we'll always try to assist or find an answer if you get stuck, get in touch.