Acrobat Reader – Whale sound in Adobe Acrobat 4.0

Version – 4

  1. Open Adobe Acrobat 4.0
  2. Go to Help>About Plug-ins>Acrobat Annotations
  3. Hold down Ctrl and left-click on Credits
  4. You will then hear the sound of a whale, see the Plug-in logo change to a whale, and see the Credits button change to Harpoon.

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