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Hi i developed a simple program using visual basic 2008.
Can anyone help me how to make a trial version of a application?


Once it has been installed it will work for 30days
When it reach 30 days app will ask for a serial key
when it has been re installed or the date has been modified apps will determine that this software has been use for 30 days and will terminate

1 solution

Google is your friend: Be nice and visit him often. He can answer questions a lot more quickly than posting them here...

A very quick search using your subject as the search term gave 281,000,000 hits:[^]

In future, please try to do at least basic research yourself, and not waste your time or ours.
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Dave Kreskowiak 18-Mar-12 10:27am    
Countered the idiotic 1 you got for a perfectly reasonable answer.

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