1. First, download the file to your computer and unzip/extract it on your computer.
2. Then, open up Photoshop and go to Window > Actions. 3. Click on the menu drop-down in the top-right of this panel:
4. Then, from the menu that pops up, select "Load Actions...".
5. Navigate to the actions file you just downloaded. It will have the extension .atn next to it (example "Nicolesy Essentials.atn".) Your new action set will now appear in the Actions panel. Tip: Be sure to back-up your new action file to a safe location on your hard-drive in case you need to reinstall Photoshop.