Step 1: In the menu, go to View > Studio > Library and make sure that it is checked and visible in your workspace.
Step 2: In the Library panel, click the top-right menu drop-down and select Import Macros.
Step 3: Navigate to the Nicolesy Watercolor Effects.afmacros file and click Open.
Step 4: To apply the macro, open the file you want to apply it to and click the macro to add the effect to your image.