PowerPC, or PowerPC64?

[Chris]

Apologies for my ignorance. But I attempted to install
FreeBSD on a dual G4 I have a couple years ago. But was
unsuccessful. I'd like to make another attempt in hopes
all the work Mark has been doing will improve my experience.
But I'm not clear whether I should choose the PPC or PPC64
(install) image. The hardware doc[1] only indicates PowerPC --
that is; powerpc will install on any powerpc with USB ports.

Thank you in advance for any insight into this, and sorry for
my ignorance.

[1] https://www.freebsd.org/releases/11.4R/hardware.html

--Chris