Windows and Mac – make sure you have it!!
Mac : System Preferences >> Adobe Flash .. Check for Updates
Windows : Control Panel >> Adobe Flash .. Check for Updates
if you don’t see flash in either of those spots, that means you don’t have it installed or you are using it in Google Chrome exclusively. GOOD!
FYI.. if I set you up to use Google Chrome browser, it keeps Flash updated on its own and you don’t have to worry. The rest of you should really consider disabling Flash in Firefox, Safari, and Internet Explorer. You don’t have to change browsers for routine use but Chrome is the safest way to look at a Flash website.