This installation guide is for non-NetGate devices
1. Navigate to https://www.pfsense.org/download/
2. Select the appropriate image to download based on the hardware you are using. In my case, I'll select ‘AMD64’, ‘DVD Image’ and use the pre-selected Mirror.
1. I will use dd to load the ISO onto my USB drive. (I'm not going into detail on how to prepare the USB drive)
dd if=/path/to/iso of=/dev/sdXWhere ‘X’ is the USB drive.
2. Boot the USB installer on your hardware.