Use the trial to run a single full system scan. If it finds nothing (likely), uninstall it. If it finds PUPs or adware, consider Malwarebytes for Mac (free tier) instead. Only subscribe to Norton if you need to protect a mixed PC/Mac household and you trust their aggressive renewal process.
6.5/10 “A powerful Windows tool awkwardly translated to macOS, best used as a second-opinion scanner rather than a daily driver.” norton internet security for mac free trial
