KV331 Audio SynthMaster Upgrade from SynthMaster Player || Your Digital Software Registration Code and Instructions Will Be Sent to You, Along With an URL Connecting You Directly to The Manufacturer, Who Will Provide You With Your Software Digitally. Please Be Aware That Software Is Non-Cancelable and Non-Returnable. If you have any questions about this product please do not hesitate to contact us. Guildwater Gear is an Authorized KV331 Audio Dealer through the Xchange Market. There, You Can Find Us Among Their List of Authorized Resellers.