Rocky has a solid guide depending on your usage. 

https://docs.rockylinux.org/guides/migrate2rocky/

Best Regards, 
-Thomas Scott


On Thu, Mar 9, 2023 at 3:45 PM greg zegan via PLUG-discuss <plug-discuss@lists.phxlinux.org> wrote:
Hello,
  Has anyone tried to covnert a CentOS to Rocky Linux yet?
Do you have any advise for doing this?  My CentOS is showing
I am no longer registered and cannot do updates.  I work associate
said he heard there was a way.  I am looking right now.
thanks,
Greg
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