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Correct answer Dov Isaacs

On MacOS, Acrobat DC is a 64-bit application.

On Windows, Acrobat DC is currently only a 32-bit application that runs without any issues on 64-bit versions of Windows (beginning with Windows 7).

Note that the 32-bit versus 64-bit issue is not one of performance, but rather of address space and OS compatibility.

          - Dov

1 reply

Dov Isaacs
Dov IsaacsCorrect answer
Legend
September 6, 2017

On MacOS, Acrobat DC is a 64-bit application.

On Windows, Acrobat DC is currently only a 32-bit application that runs without any issues on 64-bit versions of Windows (beginning with Windows 7).

Note that the 32-bit versus 64-bit issue is not one of performance, but rather of address space and OS compatibility.

          - Dov

- Dov Isaacs, former Adobe Principal Scientist (April 30, 1990 - May 30, 2021)
D
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Participant
November 16, 2022

Wrong - it no longer runs without any problems on a 64-bit windows.  Every time I try to open it, I get a watch coming up, and can not even read the document I have opened.  And has anyone else noticed that there is no longer an Adobe Reader option?

Mokobouw
Mokobouw
Participating Frequently
May 11, 2023

Agree. Same issues here, program stalls and not responding. Often restart of program neccesary

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