For SATURN Interfaces, you should find a SynthMaster 2 Player redeem card in the box, as shown below:
The 21-digit registration code (XXXXX-XXXX-XXXX-XXXXXXXX) is located on the back of the redeem card. Here’s an example (P1nks-7f1sh-d4rK5-Comftrblynumb)

To redeem the SynthMaster 2 Player, simply follow the steps below:
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1. Go to https://www.synthmaster.com/register.aspx , enter your registration code and email, then click “Register”.

2. You will be redirected to the product register page. Simply submit the form to proceed.

3. As SynthMaster 2 Player includes a free expansion pack, you can scroll through the expansion pack list to choose one. Click the green Play button to preview the audio samples.

4. Once registration is completed, download the installer along with the license file, which will include your name, email and the 38-digit serial number from the bottom of the site as shown below.

5. The first time you launch SynthMaster 2 Player in your DAW, a license key file request dialog will appear. Simply enter your email and serial number to activate your license.

_{‍Please note that the 21-digit registration code on the redeem card is not the same as the 38-digit serial number shown in the license file. The serial number will be generated only after the registration process, as shown in the step.2.}

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*You can find your serial number in the license file. Login to your SynthMaster account at https://www.synthmaster.com/userarea.aspx ,  download the license file and
copy the serial number into the license key dialog to complete activation.

**IMPORTANT: You need to install your expansion pack in the SynthMaster 2 Player by restoring preset banks in the plugin. Please refer to the tutorial video below for more detailed instructions. https://www.youtube.com/watch?v=fVWdo6d6bLQ

For more information about the SynthMaster 2 Player and available expansions, please visit : https://www.synthmaster.com/synthmasterexpansions.aspx