It's easier than I thought (just download preupgrade and run it
I was under the illusion that you just had to enable the testing repos in package manger and then do a system update.
Thanks for clearing that up
"To update to rawhide via yum
To update to rawhide via yum, simply enable the 'Fedora Development' repository.
Note that test releases of Fedora are configured to update via rawhide by default."
Does this mean you can do it this way too?