Do not set up a new database, you will reuse the existing database to preserve the original data.
License the cluster as usual.
On Linux, you need to specify a different installation directory and different base port. You will probably install with the --prefix option.
On Linux, set up automatic startup as usual. This will break the feature in the original cluster.
On Linux, run egosetsudoers.sh -p.
On Linux, join the cluster as usual.
On Linux, define the host as a management host, as usual.
On Windows, specify a different installation directory and different base port, specify cluster ID, and choose advanced workload execution mode.