How to Install
2. Setting Up PostgreSQL 16 Repo
How to Add PostgreSQL 16 Linux Red Hat Yum Repository
3. Installing PostgreSQL 16
Then to Install PostgreSQL 16 for Rhel
Especially relevant: in case you have a previous PostgreSQL Setup on System you may need first of Removing it.
Simply play:sudo dnf in postgresql16-server postgresql16-contrib
Again to Search for other gears:
dnf search postgresql-16