The following tutorials will help you get familiarized with VO about its basic functions and some advanced tools. In each tutorial, there is a step-by-step instruction and a attachment folder that contains models and data to be used.

Creating a VO Model in Schematic View
Creating a VO model with Existing GIS Data
Using Resource Library
Working with a Continuous Model
Sizing a Pond Using the Route Reservoir Command
LIDs and Water Quality Single-Event Model
LIDs and Water Quality Continuous Model
Analyzing Erosion for New Development
Modeling a Wetland: Continuous Simulation, Calibration and Hydroperiod Analysis