No. The Mac version stores trial data in the Keychain and system receipts ( /Library/Receipts/ ). Deleting these requires disabling System Integrity Protection (SIP), which makes your Mac wildly vulnerable. Do not do it.
After the trial period ends, the software automatically reverts to the Free version malwarebytes premium trial reset
Many "trial resetters" are actually malware in disguise. Since you have to disable your antivirus to run these tools, you are essentially opening the front door for hackers to install keyloggers or ransomware. malwarebytes premium trial reset