How to install Adobe Flash Player on Kali Linux

First option:

• Download Flash Player for Linux (.tar.gz ), from Adobe.com website.

• Unpack the tar.gz file. At the prompt type:
  tar -zxvf install_flash_player_11_linux.x86_64.tar.gz

• Once unpacked you will see the following:

        + libflashplayer.so
        + /usr

• Identify the location of the browser plugins directory, based on your Linux distribution and Firefox versionCopy libflashplayer.so to the appropriate browser plugins directory. 
• At the prompt type:     

cp libflashplayer.so /usr/lib/mozilla/plugins/

• Copy the Flash Player Local Settings configurations files to the /usr directory.  At the prompt type:

cp -r usr/* /usr

Second option:

Type in the terminal:

apt-get install flashplugin-nonfree

then:

update-flashplugin-nonfree --install

and you’re done.