Before version 11, Adobe used a mix of numbers and dates to title their software (e.g., Adobe Reader 9, Adobe Reader X). The "XI" in the title follows the Roman numeral tradition started by version 10 ("X"), representing the number 11.
It was one of the first versions optimized for the then-new Windows 8 touch interface. adobe reader xi 11
Users could create and switch between multiple custom tool sets , saving time when hunting for specific features. Before version 11, Adobe used a mix of