It is crucial to note that Adobe officially ended support for Adobe Reader XI on . According to Adobe’s End of Life announcement , the company no longer provides technical support, bug fixes, or—most importantly—security updates for this version. Should You Still Use It?
Adobe Reader XI was the first version to truly bridge the gap between simple viewing and active document collaboration. Its core capabilities included:
: Use tools like sticky notes and highlighters to annotate files.
: Added support for Windows 8 and OS X Mountain Lion with a "touch-mode" for better tablet interaction. Critical Security and Support Information
Enterprise/MSI deployment: