Lost my Acrobat XI Pro Serial number after a Crash

My laptop crashed, and the Acrobat XI Pro serial number disappeared. I do not have the original box any more.

I need it for continuing my free physics textbook in 5 volumes [ Link removed by Moderator ]

All the freely downloadable pdfs there have been made with it.

What can I do? Can I write somebody?

Community Expert

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Without a serial number, you're stuck. Make sure to write down your serial numbers and store them in a safe place.

Otherwise, you'll need to get new free Acrobat Reader or paid Acrobat Pro DC.

FREE Acrobat Reader -- view, comment & sign PDF.
https://acrobat.adobe.com/us/en/acrobat/pdf-reader.html

Paid Acrobat Pro DC -- the complete solution for creating and saving PDF files.
https://acrobat.adobe.com/us/en/acrobat/acrobat-pro.html

Nancy O'Shea— Product User & Community Expert

Community Expert

See here:

Legend

If you registered the serial, it should show up on your Adobe account.

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Can I use a backup to restore the number?

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