You may think that you can live without technical support (“Hey, it’s been years since I had to call Adobe support, I have a buddy who knows this stuff…”) or product updates (“Acrobat 9 has every feature I want and need…”), but you really should consider upgrading because of the last two bullet points: Security updates are important to not compromise your system and your documents. no more updates to support new or modified operating systems.This is not really “news” – Adobe announced this in June last year – but in case you’ve missed this so far, here is a reminder: Adobe is ending support for Acrobat 9 and Reader 9 on June 26th, 2013.