The trial version is the same as the full version, with the execption that it will only allow you to enter five (5) rides before the "Add New" ride button is disabled. To download the trial version, click the link above and save the file to disk. Once downloaded, you should run the file VeloLoggerDemo.exe. This will extract the files necessary to install the VeloLogger Demo program. When the files have been extracted, you will need to run the file named "Setup.exe". This will install the VeloLogger Demo Program. Follow the instructions once the Setup program is running. When Setup finishes you will be ready to run the VeloLogger Demo program. When you first run the VeloLogger program, you should read the help file topic "Getting Started" by pressing the F1 key. This will guide you through what is necessary to setup the program for use.