So I was looking at easy way to get fedora-arm/aarch64 (because install is so slow ....)

May be this guide can help (assumes Fedora as base os):

https://michel-slm.name/posts/2020-08-20-fedora-armhfp-vm/

while I looked at slightly different image location, for newer os image (2.8 gb for xfce4 image!)

https://dl.fedoraproject.org/pub/fedora/linux/releases/36/Spins/armhfp/images/

namely 
https://dl.fedoraproject.org/pub/fedora/linux/releases/36/Spins/armhfp/images/Fedora-Xfce-36-1.5.armhfp.raw.xz

for Fedora 37 I only found aarch64 image (small one, so you need to install a lot!)..

https://dl.fedoraproject.org/pub/fedora/linux/releases/37/Cloud/aarch64/images/