If you want try this do not use the installer. NEVER, EVER use an installer from this publisher. They include Relevant Knowledge in all of their software. So only use the zip version. Use this link….
http://www.kcsoftwares.com/?download
The zip is the yellow symbol below the blue and green links.
For DUMO the supplied user name and key info work to make it the pro version, I will leave it to you to decide how effective it is for you. Thank you for this offer.