You will learn here
How to Logon SAP BTP & Create Trial Account
Step 1: Logon to SAP BTP from here
If you are new user then register and sign in.
Step 2: Click on Enter your Trial Account to create trial account.
Step 3: Enter the details like Display Name, Description & Your Region and click on Create.
Trial sub account will be created as shown in below image.
In this blog post you can learn about SAP Business Technology Platform & creation Trial Account for SAM Mobile Development Kit setup.