Downloading VDDT

Please read the following instructions before downloading the program, and note that a password is required to extract the installation program file (note that the password has changed since VDDT version 5.x ). Register with the Software Coordinator and the password will be emailed to you.

The minimum requirements for running VDDT 6.0 are:

	Microsoft Windows2000 or later; and
	512 MB memory.

VDDT has both a detailed User Guide and a fully indexed on-line help system. The User Guide describes how to use each of the many options available in VDDT, and contains a getting started section that describes new features and guides users through the basic steps required to run the model. It also includes a trouble-shooting guide to help users overcome some common problems. The on-line help provides immediate help on particular topics, and allows users to move easily between related topics.

Download instructions:

1.	Create a temporary folder and download the VDDT-Setup-60-xxx.zip file into it using the link below. The ZIP file contains the VDDT 6.0 installation program (an MSI file) which includes the User Guide.
2.	You will need a password to extract the installation program. Register with the Software Coordinator and the password will be emailed to you. (Note that the password has changed since VDDT version 5.x).

Installation instructions:

1.	From the Start menu, select Run.
2.	Click on the Browse button and navigate to the temporary folder into which you downloaded the ZIP file. From the Files of Type drop-down list, select All Files.
3.	Choose VDDT-Setup-60-xxx.msi, where "xxx" represents the last three digits of the version number. Click Open.
4.	Click OK on the Run window, and follow the instructions on the screen. Note – if you have a previously installed version of VDDT on your computer, you will need to uninstall it before you can install version 6.0. For more information about installing an upgraded version of VDDT, see Installing VDDT in the User Guide.
5.	When the installation is complete, the on-line help system and User Guide can be accessed from Start | Programs | VDDT as well as from VDDT’s Help menu.

Trouble-shooting installation with Windows Vista

Download the Full Program and Documentation
[ZIP - 18 mb]

Contact Information

For more information on VDDT, please contact:

Software Coordinator

ESSA Technologies Ltd. #300-1765 West 8th Ave. Vancouver, BC CANADA V6J 5C6 Tel: (604) 733-2996 Fax: (604) 733-4657