Site and installer are safe,but how to make 100% sure?

I would like to download this software http://easyseatpoker.com/ ,but 1st i want to make sure its 100% safe even if Avast doenst detects anithing. Is there a possible way to do it? any mod from Avast can prob check it out for me? Thanks!

urlvoid.
http://www.urlvoid.com/scan/easyseatpoker.com/

virustotal
https://www.virustotal.com/nb/url/2a589645af778afca519a28b29c031ccd9f6bf315afab19aa52820e834e9359e/analysis/1371976441/

no AV or webscanner have 100% detection rate. :slight_smile: