Hi There is several ways to do that but in my opinion the best way is using some kind of "online" validation, for example, you can offer 30 days for free without limitations when users input they email account, if they didn't your software will not run anymore, in combination, easily you can create files "in somewhere" to control the first execution of application on the same machine even after a complete uninstall;
On Wed, Jun 4, 2014 at 12:40 PM, Rich Cooper <[email protected]> wrote: > I'm about to release a new program. I plan to offer free downloads of > free 30 day trial software. Does anyone have experience in implementing > these timed delay free trials? I was thinking of setting a date stamp on > installation, and within the .exe, just running until that date is reached. > > All a user has to do is reset the clock back to installation time to > counter this, but it seems like a lot to give up compared to paying for > software full operation. > > Does anyone have suggestions about this based on their experiences? > > -Rich > > Sincerely, > Rich Cooper > EnglishLogicKernel.com > Rich AT EnglishLogicKernel DOT com > 9 4 9 \ 5 2 5 - 5 7 1 2 > -- Atenc; Elazar Dornelles Ceza _______________________________________________ Delphi mailing list [email protected] http://lists.elists.org/cgi-bin/mailman/listinfo/delphi
