Hi,

Windows has built-in support for zip archives, just instead of opening it directly, you should right-click on VisuAlign-v0_9.zip, and select the option "Extract all...". Then it will let you specify a location for the files (the automatic choice will be a new VisuAlign-v0_9 folder - so same name, just no .zip at the end), and it will also offer to show the files after finishing, picking that option is handy.

Then try starting VisuAlign.bat from this new location. While it may or may not work, it definitely should not want you to buy anything.

I hope this helps, best regards,

Gergely