Windows 8 Underground Edition 2013 < Trusted Source >
The "Underground" series gained popularity during the transition from Windows 7 to 8. Users who disliked the new "Live Tiles" interface but wanted the speed advantages of the new NT kernel turned to these modified versions. Security & Usage Risks
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: These versions are technically pirated copies of Windows, even if you own a legitimate license key. Key Features of the 2013 Underground Edition Windows 8 Underground Edition 2013