User Kev009 shows us how to get UEFI Root on ZFS set up along with Windows dual boot on FreeBSD. See the link below for the full instructions.

windowsbsdSomehow I’ve managed to mostly not care about UEFI until now. On my new laptop, I decided I should give it a go. There are some small benefits, nothing life changing, but booting multiple OSes is a lot easier especially if they are UEFI native, and you get a nice frame buffer the boot manager can use as will the OS before starting graphically (and after, if you don’t have accelerated graphics drivers).

For reference, how I run FreeBSD desktop/laptop: digital-life

Thanks to

Most of this was cribbed from the following sources:

Install Windows 10 or other UEFI OS ….

Full tutorial: http://kev009.com/wp/2016/07/freebsd-uefi-root-on-zfs-and-windows-dual-boot/