It's not possible to get the 2.0 beta version of the software because the product has been updated and now the stable version is 2.1.0. It can be obtained through the official website. No beta information is scheduled on its website (Support, FAQs, etc).
To know about the upcoming beta versions, use the forums: http://forums.iobit.com/forum/general-forums/news-offers
Official version: 2.1.0
Build Version: 184.108.40.206