You will need a trial activation key to be able to convert your CentOS server to CloudLinux. The trial subscription will work for 30 days.
If you have any issues getting activation key or if you have any questions regarding using your trial subscription -- contact email@example.com and we will help.
To get the activation key:
1. Register with CloudLinux Network: https://cln.cloudlinux.com/console/register/customer (skip it if you already registered)
2. You will receive an email with activation link
3. Login at https://cln.cloudlinux.com/console/auth/login
4. Click on Get Trial Activation Key
You will get a key that looks like: 12314-d34463a182fede4f4d7e140f1841bcf2
Use it to register your system or to convert CentOS server to CloudLinux server.