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Windows user? Follow these instructions instead.

Once you have downloaded an ISO, verify it for security and integrity. To verify your ISO, start by downloading the proper CHECKSUM file into the same directory as the ISO:

Install DVD / Rescue CD
i386 Fedora 19 Fedora 20
x86_64 Fedora 19 Fedora 20
source Fedora 19 Fedora 20
i386 netinst Fedora 19 Fedora 20
x86_64 netinst Fedora 19 Fedora 20
Desktop Live Media
i686 Fedora 19 Fedora 20
i686 (KDE) Fedora 19 Fedora 20
i686 (LXDE) Fedora 19 Fedora 20
i686 (Xfce) Fedora 19 Fedora 20
i686 (MATE-Compiz) Fedora 19 Fedora 20
i686 (SoaS) Fedora 19 Fedora 20
x86_64 Fedora 19 Fedora 20
x86_64 (KDE) Fedora 19 Fedora 20
x86_64 (LXDE) Fedora 19 Fedora 20
x86_64 (Xfce) Fedora 19 Fedora 20
x86_64 (MATE-Compiz) Fedora 19 Fedora 20
x86_64 (SoaS) Fedora 19 Fedora 20
Spins
x86_64 Fedora 19 Fedora 20
i386 Fedora 19 Fedora 20
Cloud Images
x86_64 Fedora 19 Fedora 20
i386 Fedora 19 Fedora 20
ARM Images
ARMv7 Fedora 19 Fedora 20
Secondary Arches
PPC64 Fedora 19 Fedora 20
s390 n/a Fedora 20

Next, import Fedora's GPG key(s):

$ curl https://fedoraproject.org/static/fedora.gpg | gpg --import

You can verify the details of the GPG key(s) here.

Now, verify that the CHECKSUM file is valid:

$ gpg --verify-files *-CHECKSUM

The CHECKSUM file should have a good signature from one of the following keys:

  • 246110C1 - Fedora 20
  • EFE550F5 - Fedora 20 secondary arches (ARM, PPC64, s390)
  • FB4B18E6 - Fedora 19
  • BA094068 - Fedora 19 secondary arches (ARM, PPC64, s390)
  • DE7F38BD - Fedora 18
  • A4D647E9 - Fedora 18 secondary arches (ARM, PPC64, s390)

Finally, now that the CHECKSUM file has been verified, check that the ISO's checksum matches:

$ sha256sum -c *-CHECKSUM

If the output states that the file is valid, then you're good to go!

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