How about actually installing FreeBSD? On a real hardware? You may first want to mess with the FreeBSD installer in a virtualized hardware (Bhyve/KVM/XEN/Virtualbox/…) so You will gain some confidence. In these posts series we will create a complete step by step FreeBSD desktop installation on USB 2.0 pendrive. 8 GB size or more is required. This way You will not have to ‘touch’ you installed system and as You gain confidence in FreeBSD You may want to switch to it if it suits your needs better then the currently installed system on your hardware. This way You can also try it on various computers without the need of (re)install or You may use it as You ‘go/mobile’ system on a stick.