Adobe Flash Player : 24 on Fedora 25/24, CentOS/RHEL 7.3/6.8/5.11

1. Change Root User

Bash

sudo -i
## OR ##
su -

2. Install Adobe YUM Repository RPM package

Bash

## Adobe Repository 32-bit x86 ##
rpm -ivh http://linuxdownload.adobe.com/adobe-release/adobe-release-i386-1.0-1.noarch.rpm
rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-adobe-linux

## Adobe Repository 64-bit x86_64 ##
rpm -ivh http://linuxdownload.adobe.com/adobe-release/adobe-release-x86_64-1.0-1.noarch.rpm
rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-adobe-linux

3. Install Adobe Flash Player 24 on Fedora 25/24/23/22, CentOS 7.3/6.8/5.11 and Red Hat (RHEL) 7.3/6.8/5.11

Bash

# Fedora 25/24 #
dnf install flash-plugin alsa-plugins-pulseaudio libcurl

# Fedora 23/22 #
dnf install flash-plugin nspluginwrapper alsa-plugins-pulseaudio libcurl

# CentOS/RHEL 7.3 #
yum install flash-plugin alsa-plugins-pulseaudio libcurl

# Fedora 21/20, CentOS/RHEL 6.7 #
yum install flash-plugin nspluginwrapper alsa-plugins-pulseaudio libcurl

# CentOS/RHEL 5.11 #
yum groupinstall "Sound and Video"
yum install flash-plugin nspluginwrapper curl

4. Verify that the Flash Player Plugin is working

Open Mozilla Firefox and write about:plugins on address bar. Results should look like following:

Adobe Flash Player 24 on CentOS 7.3

Adobe Flash Player 24 on CentOS 5.11

Then open following page for real testing Adobe Flash Plugin:
Check is Adobe Flash Plugin Working