I have an app which I want to provide a trial version of. Although a bit rudimemtary, I think the best way would be to check the date of a file which is modified on installation and check periodically wether the date since the modification of this file is 28 days or more. If so the app will not run.
Any I deas on the best way to achieve this?
As a side line is it OK to have Delphi 6 and 2005 on the same machine?