keygen
noun/ˌkiːˈd͡ʒɛn/
Etymology Short for key generator.
1
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences A small program used to generate a license key used to unlock a trial version of software illegitimately.
- A key generator, or keygen, is a mini program that generates a product key or serial number that unlocks or activates software. Keygens are usually standalone executables, but some are command-line programs that you run in Command Prompt (Windows) or Terminal (OS X).2013, Chris Fehily, Cancel Cable: How Internet Pirates Get Free Stuff: