Systweak maintains a blacklist of leaked keys. Even if you find a key that works today, the next time the software phones home to check for updates, the key will be revoked. You will wake up to a "License Invalid" notification, losing all your settings.
: Requires a valid License Key (activation code) to unlock full functionality. Systweak Software Updater License Key
Once you have your key from the confirmation email, follow these steps to unlock the full version: : Launch Systweak Software Updater on your PC. Systweak maintains a blacklist of leaked keys