FreeBSD install by hand

The following page is very informative and solved my long time concern about installing FreeBSD without installer on USB memory or CD.
This page includes the link about UEFI boot process information.

https://wiki.ninth-nine.com/FreeBSD/FreeBSD13-install#A.2B.2Fyb.2FUv9F.2F0X.2FIv8z.2FyT.2FEf8TMGcwbnJ5X7Q-

I sincerely appreciate the author of this page.