Change into you home directory.
cd ~
Download the official Adobe repository package rpm. This rpm will create the repository file for us.
sudo wget
Install the rpm file.
sudo rpm -ivh adobe-release-x86_64-1.0-1.noarch.rpm
Import the repository GPG key.
sudo rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-adobe-linux
Update you local yum repositories.
sudo yum update
Install the 64 bit Flash Plugin
sudo yum -y install flash-plugin

Check if the install was successful. In Firefox, go to “about:plugins” in the address bar and look for “Shockwave Flash”. If installed you will see;

`File:<br />
Version: Shockwave Flash 11.0 r1`

Quick Step: If you just want to install the Flash Plugin and not bother about the repo you can download the installer directly and install Flash.

cd ~<br /> sudo wget<br /> sudo rpm -ivh flash-plugin-