1. Check the version number that appears on the top title bar of the DT Trainer Administration program (click here for an example ). If your version is prior to 2.5, then you should update your copy of the DT Trainer.
   
   
   • If you have a version between 2.0.0.0 and the current version, then you simply need a patch.
   
   
   • If you have version 1.0 or the "2.0 prerelease" of the DT Trainer, then you will need the full installation (see the bottom of this page) to update to the most recent version.
   
   
2. ***Important***: Before downloading, please check our installation page and follow the steps to ensure that your computer is up to date, and that you have all necessary third party components installed on your computer. Completing these steps now will prevent possible problems with running the DT Trainer.

1. Click the link above to download the patch to your computer (Select the "Save" option when prompted by your web browser)
2. Locate the downloaded file on your computer and double-click the file to launch the patch.
3. Follow the on-screen instructions to update your DT Trainer installation.
   

Please check our Installation Information page before downloading the full installation.

This full Discrete Trial Trainer download can either install a new copy of the DT Trainer version 2.5, or it can upgrade a version 1.0 installation to version 2.5. Click on the link below and save the file to your computer, then run the saved file from your hard drive.

Note: Due to the size of the download, you will need a good high speed internet connection for the full installation. If you can not download this installation, please contact AES at (803) 233-0541.