Quote (JVL @ 16 Oct 2017 22:31)
Is the free version good enough?
The free version contains the same detection definitions as the premium version, but is lacking the real-time protection shield and proactive immunity.
But if you suspect you've been infected with malware, then the free version's scanner is just as good as the premium one, yes.
You can find the differences, here:
https://www.malwarebytes.com/pricing/