Text Box: Free Concalc 3.1 Demo Text Box: You may download a Free Concalc 3.1 Demo Version. The only difference between the demo and the full version is that the quantities are locked and that you would not be able to create new projects. We have kept the limitations of the demo to a bare minimum in order to allow users a good opportunity of assessing the software. To download a Free Demo of Concalc 3.1 Step 1 : Click on “Click Here to Download a Free Demo” Step 2 : A screen will appear asking whether you wish to run or save the file. Choose “Save”. Step 3 : By default the program will be saved in My Documents but you can create your own directory should you choose. You may then click on the “Save” button again. This will start your download to the allocated folder. Step 4 : The program is 13.5MB in size and takes 15minutes to download with a connection of 20kb/s. Once completed you either click on the demo download zip folder or extract the zip files. In either cases you may click on the setup.exe file. Step 5 : Follow the installation procedures. The program is placed under start, programs and you may drag the folder to your desktop for easy access. Double click on the concalc icon and the program will open.