We no longer provide SnapGene RPM installer for Fedora, CentOS, or Redhat Linux OS's.
SnapGene 7.2.1 was the last version of SnapGene available for Fedora-based linux OS's.
For SnapGene 8.0 and later we support SnapGene on Windows, macOS, and Ubuntu Linux. For more information see What are the System and Hardware Requirements for SnapGene?