You must have an account on the developer console to get your credentials for Developer.   You do not need access to the Developer Console for Core users.   


    Core Developer
Eye Gaze (including Foveated Rendering)
Heart Rate (HR) 

Pulse Rate Variabilty 

Inference Engines (Cognitive Load)  
Hp Reverb G2 Omnicept Simulator
HP VR Spatial Audio  
Support (currently only supporting in English)
Developer Support Online self help Online self help
  Free Free
Internet access required No First time only

Developer License/Developer Console not supported in China.