After purchasing the add-on, you can download it for installation in your website.
Step 1. Go to CodeCanyon.net Downloads section here and find the Image Caption Hover Effects Add-on and click download Installable WordPress file only option.
Step 2. Now login to your WordPress website and navigate to Dashboard -> Plugins -> Add New section and upload the ZIP file of the add-on that was downloaded earlier.
Step 3. After installation process, click Activate and the add-on is ready to use.
Read below for a detailed description of all element options.