Redhat latest version download  -------------------

https://developers.redhat.com/products/rhel/download/

Download Ubuntu Desktop ----------------------

https://www.ubuntu.com/download/desktop

Fedora download -------------------------------

https://getfedora.org/

Download Linux Mint -------------------------

https://linuxmint.com/download.php

openSUSE download ---------------------------------

https://software.opensuse.org/

Download  pclinuxos -----------------------------

https://www.pclinuxos.com/get-pclinuxos/

Downloading Debian CD/DVD ------------------------------

https://www.debian.org/CD/http-ftp/

Mandriva download -----------------------------------------

https://www.openmandriva.org/en/documentation/openmandriva-lx/download

Sabayon download -----------------------------------------

https://www.sabayon.org/download/