Welcome and thank you for posting your query in the support community
As mentioned by Vegam on August 3rd here- "You can find modules and courses by going to Pega Academy and searching for Pega Robotics. From there, you can access an early version of Pega Robotics Studio 8.0." Refer here.
To obtain Pega Robotic Automation Studio version 8.0, you will need to Create a Support Request (SR) with Request Type as Media Request via the Pega Support Portal