Windows * 1.4GHz Intel® Pentium® 4 or faster processor (or equivalent) for Windows 7, Windows 8 or Windows 8.1. * Windows 8.1 (32- Adobe Help Center Download Adobe Acrobat Reader: Free PDF viewer
Adobe Reader 9.3.3: A Look Back at a Crucial Security Update Adobe Reader 9.3.3
This version refined the Acrobat and Reader Updater . It fixed a common bug (Error 1701) where the updater would continue running in the background even if the update had failed. Windows * 1
Minor fixes included better handling of the "busy cursor" during form loading and resolving a speech synthesizer issue that affected accessibility. Historical System Requirements Minor fixes included better handling of the "busy
It introduced better safeguards against "social engineering" attacks that misused the PDF specification's ability to launch external files.
During 2010, the PDF format was a frequent target for cyberattacks. Vulnerabilities often allowed attackers to execute "remote code," essentially taking control of a computer if a user simply opened a malicious PDF.