To sign up, first visit http://creativesdk.com and click the SIGN IN on the upper right. Once you see the sign in page, you can sign up using the 'Get an Adobe ID' link to register from the sign up page.
If you need to register your app for a ClientID and Secret. Please follow the steps on the My Apps page to register your app and the ClientID and Secret will be displayed on the pop-up at the end of the process.
NOTE: You do not need to sign up, if you already have an Adobe ID. All you need is to login to http://creativesdk.com with your existing Adobe ID.
- The Adobe Creative SDK Support Team