The Toontrack Product Manager is a stand alone application that acts as a portal and download manager for your account. This is done by clicking the blue Register New Product button, and then entering the serial number. If Superior Drummer 3 does not appear it simply means that you need to register your purchased serial number (aka license) to your Toontrack account via the Product Manager. Once you have logged into your account via the Toontrack Product Manager, all of your registered products will appear.Upon the first launch you will be prompted to login to your account, or create an account if you do not already have one. Launch the Toontrack Product Manager application on your computer.Once the Toontrack Product Manager has been downloaded run the installer for the Product Manager on your Mac or PC.Open this link in a web browser and click the Mac / PC button to download the Toontrack Product Manager.If you are already a Toontrack user and you have previously installed The Toontrack Product Manager you can skip this step. The following is a step by step guide for using the Toontrack product manager to download, install, authorize, and update both Superior Drummer 3 and its Sound/MIDI library.

For your convenience those same instructions have been copied here. Installation instructions are found in the Superior Drummer 3 online manual. How do I install Superior Drummer 3 from a Download?

Superior drummer 3 vst