Quote https://www.whonix.org/wiki/Support:
Tip: Be careful not to confuse Tor with Tor Browser in discussions, as this can lead to misunderstandings.
As for Tor Browser for ARM64, you can follow here: ARM64 Tor Browser - #21 by Patrick
For tirdad for ARM64, you can follow here: TCP ISN CPU Information Leak Protection - tirdad - #33 by Patrick