Braiding Rainbows is for Windows on PC only. It will only run on 32 or 64 bit Windows operating systems, and so should run on any Windows operating system from Windows 95 onwards.
Download the installation program (Braiding Rainbows.msi), save it to a suitable place on your computer, and then run it.
These are some of the screens you might see...
or you might see this...
in any case, either should be followed by...
Error messages might include...
