You MUST have the VolumeCare Basic applicaiton before you can install this upgrade. There is *no* file to download for this product. When you purchase, you will get an Activation Code that you will enter into the License Key area of VolumeCare. This License Key will unlock the advanced feature set that is already contained in the new 4.x version of VolumeCare. Allows for the selection of applications that will have their volume controlled by VolumeCare. The selection of applications is made in the Global Options menu screen! Allows for the independent Boosting of Rintones!