Macs generally do not require antivirus software, as they are less susceptible to viruses than PCs. This is because of the difference in the way that Mac and PC operating systems are designed. Macs use a Unix-based operating system, which is generally more secure than the Windows operating system that is used on PCs. Additionally, the Mac App Store only allows for the distribution of certified software, which helps to prevent the spread of malware.

Despite this, it is still possible for a Mac to become infected with a virus. This can happen if a user inadvertently downloads and installs malicious software, or if a vulnerability is discovered in the operating system. In these cases, having an antivirus program installed on your Mac can provide an extra layer of protection.

While most antivirus programs are designed for Windows, there are some antivirus programs that are compatible with Macs. These programs can provide real-time protection against viruses and other malware, as well as regular scans to detect and remove any malware that may have been downloaded onto your computer.

It is important to note that having an antivirus program installed on your Mac does not guarantee that your computer will be completely safe from viruses. It is still important to be cautious when downloading and installing software, and to avoid visiting suspicious websites or clicking on links from unknown sources.

In conclusion, while Macs are generally considered to be more secure than PCs, they can still be vulnerable to viruses and other malware. While an antivirus program may not be strictly necessary, it can provide an extra layer of protection for your Mac.