The EnTrail Software Activation System with SDK easily itegrates into an application using COM or a .NET 2.0 assembly. EnTrial adds Trial, Demo, Run Count modes, and piracy protection to an existing software application. The Administrator can be used to create Add-On "Packages" that can be digitally distributed or burried in your application as a resource. EnTrail prohibits copying a registered product from one computer to another. The EnTrial SDK COM object/.NET assembly is obfuscated to prevent reverse engineering. The EnTrail "Distribution File" that accompanies the software product is encrypted. The EnTrial SDK will detect if the computer clock has been set back or if the software has be re-installed.