A McAfee Total Protection subscription defends your Macs and other devices. However, the macOS edition doesn't have all the features of the Windows version, and the independent labs haven't rated it.
You can get a one-Mac antivirus for just under $40 from Bitdefender, CleanMyMac, ESET, G Data, Trend Micro, or Webroot. Perhaps the best comparison puts McAfee up against Norton 360 Deluxe for Mac.