Start logging in Google Marketplace here.
If the system doesn't log you in automatically, sign in using your Google account.
Once you sign in, check if you are signed up for Google Cloud. If you already have GCP account you will not see the top level pop-up message to sign up for a free trial.
If you still can see the message to sign up for the trial account, follow this guide before continuing with the rest of the process.
Once signed in, you will see the button to "SUBSCRIBE TO CLOUD AUTOMATION STACK".
You will be redirected to see the details of your selected plan, Click Subscribe again.
Now click "Register with itopia" button to be redirected to itopia website registration page
Authenticate with your Google account, and then put your company name and your phone number
Click the REGISTER button and you'll get the subscription confirmation:
You can now go back to Marketplace and when you refresh the page, your subscription will show as pending:
Once your subscription is processed (may take several minutes), your status will show a green check mark under your plan
and you can sign in to itopia CAS using your Google account