have you looked on the redhat site ?
you had to register to download it
also you NEED to buy it after the 30 days
well buy the required support contract
a 1 year std DESKTOP is $299 per year or $799 per year for a server install
https://www.redhat.com/wapps/store/catalog.html
did you burn the iso to a dvd ?
or
if a usb did you make a bootable usb ?
as in
did you read the install instructions ?
https://access.redhat.com/documentat...ide/index.html
please read section
#1
" downloading RHEL "
#2
" making the install media "