If you haven't already downloaded and installed DAWSound, you can download DAWSound here:
Download DAWSound

To get your activation code, follow these steps:

1) In DAWSound, Click on the yellow box that says "Demo Version":

2) A screen will pop up with your serial number:

3) Fill in the form below.
After you fill in the form below and click on the button 'Request Activation Code', click on the button 'Automatically Get Activation Code' on the Activation screen in DAWSound. DAWSound will automatically receive the activation code in approximately 5 minutes.
MAKE SURE TO LEAVE THE ACTIVATION SCREEN OPEN. DO NOT CLOSE IT.