Visual OTTHYMO

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Powerful Storm Water Management Made Easy

Experience Visual OTTHYMO

Existing users can download, install, and use the same license file to use VO 6.1. If you would like instructions on how to install/activate the demo license please reference our how to section.

VO 6.1 Download

Build 6.1.2005

Quick Links & VO Guides

VO Install Guide

A helpful guide to walk you through the installation process.

Download Guide

VO User's Manual

A helpful online manual for VO.

View Guide

VO Reference Guide

A helpful online reference guide for VO.

View Guide

VO Previous Version

Download the previous VO 5.1 installer.

VO Download 5.1.2007

Start Your 30-Day FREE Trial Today

Don't wait, you can start your free trial in just a couple of clicks.
Start VO Free Trial

Follow the steps below to
start your VO Free Trial

  1. Click the “VO 6.1 Download” button below to begin the download.
  2. Install VO. Refer to the Guide and Manual – they are useful.
  3. Email us at solutions@smartcitywater.ca to get your Demo License key.
  4. We’ll send you the license file. Save the file and add it to VO License Manager.
  5. Everything is set! Happy VO-ing!
VO 6.1 Download

Build 6.1.2005

Additional VO Resources

VO Brochure

Learn more about the features and benefits of VO.

Download Brochure

LID Brochure

Learn more about the new Low Impact Development Toolkit.

Download Brochure

License Agreement

Read the complete End User License Agreement here.

Read Agreement

Operating System Requirements
Operating system: Microsoft Windows XP/Vista/7/8/10.
Minimum System Requirements
Processor: Intel Pentium 4 1.5 GHz RAM: 1.0 GB Hard disk space: 500 MB
Recommended system requirements
Processor: Intel Core i7 2.0 GHz RAM: 1.5 GB Hard disk space: 1 GB
Interested in VO Training?
We offer specialized training to help you make the most of your experience using Visual Otthymo. Workshops cover the use of special features and functions of VO. Our lessons take into account your experience in Hydrologic modeling in order to deliver a seminar that is specific to your needs. We offer half and full day options and we will hold seminars at our office or we will come to you. Please send us an email if you are interested in receiving training or participating in a workshop. Email: solutions@smartcitywater.ca
Version 6.0
To check out all the enhancements and bug fixes on VO Version 6.0, Click here.
Version 5.1
To check out all the enhancements and bug fixes on VO Version 5.1, Click here.
Version 5.0
To check out all the enhancements and bug fixes on VO Version 5.0, Click here.
Version 4.0
To check out all the enhancements and bug fixes on VO Version 4.0, Click here.

Do you have more questions?

Fill out your information and we will get back to you quickly!

Start Your 30-Day Free
Trial Today!

Follow the steps below to start your VO Free Trial
  1. Click on the “Download VO 6.1” button at the bottom of this popup or visit our Download page from VO hompage.
  2. Install VO. Refer to the Guide and Manual – they are useful.
  3. Email solutions@smartcitywater.ca for your Demo License.
  4. We’ll send you the license file. Save the file on your computer and add it to VO License Manager.
  5. Everything is all set. Happy VO-ing!
Download VO 6.1

Build – 6.1.2005