To the outside world, this was "legacy software." To Elias, it was a lifeline.
Instead of hunting for an outdated 11.0.23 download, consider Adobe’s current offering: adobe acrobat xi pro 11.0 23 download
During the setup, switch the update preference to “Do not automatically check for critical updates” — because the update server is dead, attempting to check will cause freezes. To the outside world, this was "legacy software
Adobe officially ended support for Acrobat XI on October 15, 2017 . There are no further security patches or technical updates. To the outside world