Download a free Demo version 4.4.0 for Windows 95/98/NT/2000/XP/Vista   Download the demo.    The installation program is about 2.3MB. Run the installation program gcbsetup.exe. You get a choice of directory and a program group on your Start menu. If you wish to test out Guitar Chord Buster Pro, you can download a free demo.  Install it on your computer without any obligation to buy. Run the demo.  You can test all the main features of Chord Buster free without obligation or spam e-mails! If you wish to remove the program, the demo has a de-installer.   You can run this from your Control Panel - Add/Remove Programs