CentOS 8 to Bootable USB
You will be downloading a program called rufus (v3.4)
https://rufus.ie/
Downloading the ISO for CentOS 8
https://www.centos.org/download/
AND
http://mirror.ancl.hawaii.edu/linux/centos/8.2.2004/isos/x86_64/
You will need a 16GB USB
centos 8