- Download pfSense from this link: https://www.pfsense.org/download/mirror.php?section=downloads.
- Choose the correct computer architecture and platform as per your requirement.
- After downloading pfSense, burn the ISO file to CD/DVD media, or you can even create a live bootable USB media.
- We also need a system with two network interface cards to install and configure pfSense.
This system will be dedicated to the firewall functionality and will not be usable for any other computing task such as web browsing or so. It is recommended you use an old computer such as a Pentium 4 machine, or even a virtual machine can be set up and used for this purpose.