Bugger.. it started already with questions like "newer version available, would you like to upgrade (NO!), then you need to obtain access code from us (probably phishing exercise)... then you have to become a member and log in..
It looks like it is not a freeware as advertised..
I think I will give up on this.
This is what Elektor Magazine Blog says about it:
http://elektorembedded.blogspot.com/...?q=designspark
EDIT:
I am starting to reconsider this software..
This thing has pen plotter driver, and since I have HP7475 (modified to plot directly on copper) the whole thing may be worth a trouble of joining and logging in...