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Hi ,
I wanted to know , how I make my window application a have 30 day trial period and
How I used Serial key feature in my apps so user can only see full functionality by inserting serial key .
i.e. Product like Window Office 2007 etc.


1 solution

Microsoft has a product called Software License & Protection Services (SLP Services) to help ISVs protect and manage their software from piracy. This same technology may be used to manage trials as well as conversion from trial to a licensed product via a different license key. You can take a look at[^]
These links will help you understand how you can solve this Licensing issue. Here are the links;

Application Trial Maker[^]

c# Setup for Trial and Serial key[^]
Simon Bang Terkildsen 14-Sep-11 11:44am
Fixed dead link to

+5 Good answer
Orcun Iyigun 14-Sep-11 13:05pm
Thank you :)

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