Take a free trial. Through the process, download General LIMS VM image file, install the server in a VM environment, activate the server with the Free Trial License. Initialize the system by setting the server resources and parameters. This can be done by IT personnel.
Once the server is up and running, start the customization process. You can test the function you created, and continue to tune it until you get desirable result. This can be time consuming, and is a process of continual improvement.
When you feel confident in the system, you can purchase General LIMS License at the end of the free trial period, then activate the system.