Download Vensim^® Software

Current Version: 5.9e

Licensed Software Enter Registration Code	If you have already purchased Vensim, you can download from here. Enter the registration code you were sent by email or that appears the back of your CD dust jacket. You will be offered the most current software you qualify for. You will be told if you need to upgrade or extend your maintenance to receive the newest version. If you have previously updated be sure to enter the most recent registration code you have.
Free Downloads	Vensim Demonstration, Vensim PLE (Evaluation or Educational), Vensim Model Reader, Molecules
Purchase Upgrades (Secure Server)	If you want to upgrade to the latest Vensim release, and you bought Vensim directly from us, you can do so from here. If you bought Vensim through an international distributor you will need to contact them for upgrades.
New Online Purchase (Secure Server)	Vensim PLE (commercial), Vensim PLE Plus and Vensim Application Runtime are available for online purchase
Documentation	Installation instructions, User's Guide, Molecules guide

All Vensim configurations are available by download and can be upgraded online. New purchases of Vensim Professional and DSS are available by contacting Ventana Systems, using the Order Form, or from our International distributors. Pricing for Vensim. Installation instructions.

Notes

	All Download Free products are free for personal or educational or academic use.
	Vensim PLE is a shareware product when used for commercial or governmental work and is priced at US $75.00 with manuals and disks, or US $50 without.
	The Vensim Demonstration Program may be used for evaluation purposes only, and may not be used for any commercial activity.
	The Vensim Model Reader may be distributed for free with your models (including commercial use).