Following general availability for productive use, SAP has released a trial for SAP Application Studio. The trial is available in the SAP Cloud Platform trial account.
To access it you need to subscribe first and then assign the roles.
When you try to run the tool after subscribing only you will get this message:
To enable the access in you need to assign the roles in Trust Configuration section:
Re-login with cache clearing or incognito is needed if you have been logged before.