This site requires the Adobe Flash Player version 9,0,45,0 or later.
You can check your version here
And you can install the latest version from here
Note: Flash has separate installs for Internet Explorer and Firefox / Mozilla / Netscape / Opera / Safari.
Note for Internet Explorer :
If you receive the message "Unable to authenticate installer"
Please try the following instructions :
In Internet Explorer, select Tools > Internet Options > Programs > Manage Add-ons and select Shockwave Flash Object and then click "Update ActiveX"
After this you should recheck the version.