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How does a trial version know it has been installed before?

Fresh5 days ago
Mar 15, 202635671 views
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Problem

How does a trial version determine that is has been installed before, to prevent users from installing it a second time, just like the products of Adobe do? I'm using Mac OS X Lion.

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1 Fix

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Fix for: How does a trial version know it has been installed before?

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It either stores that information somewhere on your disk (slightly misnamed files - to appear inconspicuous - have been used for this), or could even report some hardware information (e.g. MAC address) to the manufacturer if there's an internet conn…

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Environment