IDE 2.0 requests a serial number

When I run IDE 2 for the first time, I get:

Configure logging: file:///Library/WowzaMediaServer/conf/log4j.properties

Please enter serial number:

XXXXX-XXXXX-XXXXX-XXXXX-XXXXX

Could someone tell me where to get this number?

Thanks.

You can get a developer license key from http://wowza.com/store.html

Richard

Got it - thanks.