it's easy to install :
Installing using the plugin tar.gz:
o Unpack the plugin tar.gz and copy the files to the appropriate location.
o Save the plugin tar.gz locally and note the location the file was saved to.
o Launch terminal and change directories to the location the file was saved to.
o Unpack the tar.gz file. Once unpacked you will see the following:
o Identify the location of the browser plugins directory, based on your Linux distribution and Firefox version
o Copy libflashplayer.so to the appropriate browser plugins directory. At the prompt type:
+ cp libflashlayer.so <BrowserPluginsLocation>
o Copy the Flash Player Local Settings configurations files to the /usr directory. At the prompt type:
+ sudo cp -r usr/* /usr
youre browser plugin directory located under youre home directory in .mozilla/plugins if you're using Firefox
to extract tar.gz file run this command :
tar xvf PATH-TO-FLASH.tar.gz