VinylMaster is a digital download software only, meaning that a disc is not sent out as the manufacturer does not print CDs. There should have been a green card stock insert with your VinylMaster Product Serial Number (PSN) and a website to download the software.
Enter your PSN into the box and hit Submit. This will autogenerate the download link below the box. Download the software and follow the onscreen instructions. Note: you will need your PSN again during installation, so keep that number nearby until install is completed.