Download Old Versions of TheBrain

These older versions of TheBrain are no longer supported and are provided as a courtesy to registered users who have not yet upgraded. We recommend you download the latest release instead.


  • Versions of TheBrain prior to 9 utilized Java. Version 8 includes a dedicated Java Virtual Machine. Due to changes in operating systems and Java versions, it may no longer be possible to run certain versions on a given OS.
  • Due to third party licensing agreements, we may not be able to offer downloads of old versions indefinitely and they may be removed from the site in the future without notice.
  • The 64-bit Windows version is only recommended if you intend to use TheBrain with 64-bit Outlook.

What's New in TheBrain 12?

TheBrain 12 makes connecting information virtually effortless. With discovery of related content, automatic display of backlinks and a redesigned content area, your ideas and knowledge will come to life like never before. Users worldwide are hailing this as the most exciting upgrade of TheBrain ever.

Get the details.