More info: RunAsDate - Run a program with the specified date/time
Download: http://www.nirsoft.net/utils/runasdate.zip
Video tut: [ame]http://www.youtube.com/watch?v=WEc_QrV1NfY[/ame]
Well it sets the time before you use the program so if you have a trial thats ending, just change the time.
*I have not personally tested it, but a lot of people says it works...
enjoy!