You are attempting to purchase an expansion pack that will only work with the base product, i.e., Neo-Soul Keys® Studio, Pure Synth®, MIDIculous FREE, etc... Purchasing this product unlocks features in an existing product and cannot be purchased without the base product. As a result, in order to unlock the feature you need to enter the serial number of the base product, If you want to purchase the base product and the expansion at the same time, then enter None in the form field. 

Where is my serial number

You can access your serial number in one of two ways:

1. You can login to your account and you will be able to find your serial number in the Order Tracking area.

2. You can go to your plugin and click on the Settings Button (Wrench) and go to the License Tab. 

You can also access and download your products from here

How to Unlock

Once you purchase the expansion, our shopping cart will do all of the work. It will unlock the feature in our database and all you have to do is go to the Settings Menu---->License and click the REFRESH button.