If you are connected to the internet:
You can download the installer for the Flash 5 Player plug-in over your internet connection. It's free and supported by Macromedia. Click the link below to download the installer.
http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash
When doing the installation, be sure to install the plug-in onto the browser you are using.