HiYou can use the last sections on this guide:

Hi GamalYou can create a custom application detector in the FMC (Policies >Application Detector).The key thing you'll need if working from scratch is a PCAP of the ISO8583connection so the FTD can detect the app in Layer 7 analysis.https://www.cisco....

Hi WibarrerThis bug is not fixed in V6.2.3.8 or V6.3 (according to the release notes).Is the FMC virtual? if so, you could run a snapshot before starting theupgrade just incase you need to revert back.Note patches can be uninstalled but major release...

Sorry I got my notes wrong:vFTD 6.2.0 - supported on ESXi 5.5, ESXi 6.0https://www.cisco.com/c/en/us/td/docs/security/firepower/compatibility/firepower-compatibility.html#id_37873

Hi NetmartvFTD is not certified to run on VMware Workstation. Only:VMware vSphere Hypervisor/VMware ESXi 5.1VMware vSphere Hypervisor/VMware ESXi 5.5VMware vCloud DirectorI would recommend you try setting up ESXi on your VMware workstation orVMPlayer...