Vensim 6.3D Released

Get It

Vensim 6.3D is available for download or purchase in the Vensim Store .

Upgrades are easy – just visit the download page and enter your license key information.

  • If your maintenance is current, you can download immediately.
  • If you don’t have a current license, you can extend your maintenance easily – just follow the Upgrade link that will be generated.
  • Can’t find your license? Need other options? No problem – contact sales at for help, volume quotes and other information.

PLE is always free for noncommercial use, and the Model Reader is free for redistribution of any model.

What’s New?

This is primarily a maintenance release, but it incorporates some nice improvements, like reorganized dialogs and a new Runs Control tool. Internally, we’ve improved some of the infrastructure for cross-platform support, greater speed, and 64-bit simulation.

The 6.3 release announcement details other recent additions. See the release notes for details.

There’s a quick introduction to Vensim in the Video Library.

Vensim 64

A 64-bit beta version is available for download to Vensim Pro and DSS users who are current with their maintenance. It’s full-featured and supports huge models. Email us for a download link.

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