Click the Start a free trial link to start a 15-day SaaS trial of our product and join our community as a trial user. If you are an existing customer do not start a free trial.
AppDynamics customers and established members should click the sign in button to authenticate.
Do you mean overall access to the Controller? Or is there a specific part of the UI you want/need to see?
Have you reached out to your AppD Admin within your company?
Ryan, AppDynamics Community Manager