The new operating system Fedora 25 was released on November 22 2016, and brings all the latest versions of the operating and kernel.
For those of you who wish to upgrade your old Fedora 24 system to the new Fedora 25, Fedora Ambassador Justin W. Flory posted a nice tutorial on how to do it without installing it from scratch by deleting old.
Here's how to upgrade to the new Fedora 25 through the GNOME Software manager or DNF package manager.
Let's first look at the easy way:
Open GNOME Software from the GNOME Shell interface, go to Updates tab, and upgrade to Fedora 24 by following the on-screen instructions.
Upgrade from Fedora 24 to Fedora 25 with DNF
If you are a Fedora power user you can do it from the DNF Upgrade plugin. THE procedure upgrading from Fedora 24 to Fedora 25 is pretty straightforward, but you'll need to run a few commands in the terminal.
First of all, make sure that the Fedora 24 software that useste is up to date and that you have taken a backup of your most important files and settings.
You will then need to install the DNF Upgrade plugin using the first command listed below. After installation, you can start upgrading with the second command.
sudo dnf install dnf-plugin-system-upgrade sudo dnf system-upgrade download --releasever = 25
When all the packages are downloaded you should reboot your system no matter which method you used. The system upgrade will continue and will take a few minutes to complete. If you encounter any problems, you can ask for help from Fedora community or the wiki page of the project, referring to the paragraph ” DNF system upgrade. "