The
FEDora UPgrader or
FedUp offers a simple method to update your operating system (as from version Fedora 17 )
Open a terminal as root (administrator):
su -
Type:
yum install fedup
Confirm the installation and use of FedUp.
Type:
fedup --network 21
Replace
21 by the version of Fedora you want to install.
Learn more:
https://fedoraproject.org/wiki/FedUp