for instructor-led workshop use instructions in the email you receive to request a Calico Trial account.
for self-paced workshop follow the link to register for a Calico Trial account.
You will receive something similar to below, please keep it safe you will need it to finish the Cloud9 configuration.
# script should look similar to this
curl https://installer.calicocloud.io/xxxxxx_yyyyyyy-saay-management_install.sh | bash