The process entails clicking the Continue button a few times, agreeing to the license and then typing in your Mac user password to permit the installation. Follow the on-screen prompts to install Malwarebytes on your Mac.
Typically, you’ll find this in your Downloads folder. MalwareBytes for Mac originally required OS X Mountain Lion (aka OS X 10.8) or higher, but later versions appear to require OS X Mavericks (aka OS X 10.9) or higher. Use these instructions to download a copy of Malwarebytes and scan your Mac.
The good news is Malwarebytes for Mac, can be used to remove most adware as well as other types of malware from your Mac. Adware is software that makes ads pop-up in your web browser. Starting in late 2014 I noticed a rash of Macs infected with adware. Is your web browser acting oddly all of the sudden? Do funny windows pop-up showing you ads? Do your Google searches look weird? If so, you might have inadvertently installed some adware on your Mac.