Calder runs only on Windows XP, Vista, or Windows 2000 operating systems.  You will need either Service Pack 2 (SP2) or the Microsoft .net runtime 1.1 or higher installed on your computer.  Most newer computers already have them.  If you do not have either Service Pack 2 or the .net runtime, or if you are not sure, you can obtain them free of charge from Microsoft using this link: Microsoft Updates     

You will also need to have DirectX installed on your computer for Calder to run.  You need at least version 9 of Direct X.  You can get DirectX free from the Microsoft web site.

If you are not sure whether your computer meets the requirements, you can find out by installing the demo using the link below.  It won't do any harm.  If it works fine, then your system meets the requirements.  If it doesn't work properly, you can use the Microsoft Updates link above to bring your system up to date, and then try the demo again.

Click Here To Download A Free Demo For Evaluation

Click the above link to download a free demonstration copy of Calder for evaluation, then follow these steps:

1) When the File Download message appears, choose the button that says "Open".
2) Follow the instructions on the screen to run the setup wizard.
3) To run Calder, click on the Windows "Start" button and choose "Calder" from the "All Programs" menu.
4) If the demo doesn't work correctly, try using the links above to install the .net runtime 1.1 or 2.0, and DirectX 9 or DirectX 10, and try the demo again.