Adobe Reader Xi -11.0.01- Online

In summary, Adobe Reader XI 11.0.01 is a nostalgic and functional tool for those who need a offline-first PDF experience, but users should weigh the performance benefits against the security risks of using "End of Life" software. Adobe Reader 11 (XI) - Download

Adobe claimed full ASLR/DEP compatibility for Reader XI 11.0.01. However, security researchers later demonstrated that some components (e.g., the EMF rendering engine) had ASLR bypasses.

While you couldn’t edit large blocks of text, 11.0.01 introduced a "Fill & Sign" tool that allowed users to add text directly onto any PDF form without printing. It also included a "Edit Document Text" feature for minor corrections (limited to one line at a time).