Visual basic 2008 Program Protection

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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?

Example:

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

Posted 18-Mar-12 2:17am

JMAM

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OriginalGriff · Answer 1 · 2012-03-18T02:23:00

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:

https://www.google.co.uk/search?ix=seb&sourceid=chrome&ie=UTF-8&q=Visual+basic+2008+Program+Protection[^]

In future, please try to do at least basic research yourself, and not waste your time or ours.