I was able to download the source, extract and install it on a Windows 8 64-bit machine. Here's what I did

Open a command shell, cd into the PPM directory and execute install.bat

You mentioned ppm not found... 2 thoughts come to mind.

• Is c:\strawberry\perl\bin in your PATH?
• cpan install PPM

I had problems with Win32::GUI. As other's have mentioned, Loft is using an old version. There was a "known" problem with using this version on 64-bit windows. See this. I had to grab that patched version of Win32::GUI extract it to a directory and build it using the familiar: Perl Makefile.PL, dmake, dmake install.

After which, I was able to cd into the Demo directories and run the perl scripts provided