I have created application in which I generate product activation keys but I am not able to apply this keys to any external applications(.exe)
I am stuck in half way in where should I save activation key either in xml file, text file or .dat file. or instead
of this should i save in the coding part of the application.
If in case I have given one product key to one machine then this same key should not apply to any other machine.
So can anyone pls guide me...... or can anyone give me any other idea other than this....
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