Trial [top]: Malwarebytes Reset
Official support forums suggest that a "clean" uninstall and reinstall may sometimes be necessary if the trial encounters technical issues, though this typically does not grant a second trial period on the same hardware.
The debate over "resetting" a Malwarebytes trial centers on the tension between a user's desire for premium security and the software's business model. While users often seek ways to extend their 14-day or 30-day Premium trial, Malwarebytes generally limits these trials to one use per machine. The Mechanics of Malwarebytes Trials malwarebytes reset trial
Malwarebytes is aware of these methods and actively fights them. Official support forums suggest that a "clean" uninstall
Free Antivirus Software for Windows, Mac, Android and iOS - Malwarebytes Android and iOS - Malwarebytes