Converting Evaluation to Full Version
If you evaluated 3CX successfully and you are ready to upgrade your free 3CX PBX Edition key to a full featured commercial version, a Version Upgrade must be purchased on your existing license key.
As an End User, you must present your key to the 3CX Partner for the Upgrade order to maintain your installation and FQDN
As a 3CX Partner, do only order new keys in case no evaluation has been made using a 3CX PBX Edition key as the FQDN is already bound to a key resulting in a reinstall of the product.