PACE Anti-Piracy today announced the release of version 4.0 of InterLok and InterLok Pro for Mac OS X, “the first extensive anti-piracy toolset for software copy protection on Apple’s next generation operating system.” InterLok allows software developers to easily and securely distribute and sell software with a plethora of customizable options. New to version 4.0 is increased security, branding options, a new demo user interface, and new support and features for PACE’s iLok USB Smart Key. Additionally, Corel is quoted in the press release as saying it will use InterLok in order to distribute full trial versions of its Mac OS X products to customers.