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Sony Adds DRM
- Sony introduced DRM that forces PlayStation consoles online within 14 days of purchase to validate a license.
- It grants a 30-day license, then replaces it with a perpetual license after the 14-day refund window.
- After the swap, users can play offline without further checks, stopping the refund exploit the DRM targets.
- On PS4 a license file installs for every title and works if the console is primary or online.
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