Human Design Windows is now the most economical Human Design program, because it is  free of charge ! It allows everyone viewing and calculate his Human Design System Charts.

So you can immediately check the Charts of your friends and relatives, get a feeling for the interactions of the Designs.

You only need the correct time zone for this calculation since no “place” data base is included. However this is not a problem because youn can the correct timezone at www.astro.com.