open a terminal and type:
dnf search zoneminder
zoneminder.x86_64 : A camera monitoring and analysis tool
zoneminder-nginx.x86_64 : ZoneMinder configuration for Nginx web server
zoneminder-httpd.x86_64 : ZoneMinder configuration for Apache web server
zoneminder-common.x86_64 : Common files for ZoneMinder, not tied to a specific web server
mythzoneminder.x86_64 : A module for MythTV for camera security and surveillance
Installing
https://zoneminder.readthedocs.io/en/latest/installationguide/redhat.html#background-fedora
sudo dnf install zoneminder
Configuring
https://zoneminder.readthedocs.io/en/latest/userguide/index.html
Advice
This is not an easy task
Regards.,