Antivirus software is used to ensure you are protected by numerous threats on the internet such as malware, viruses and identity theft.
Windows
Microsoft Defender comes as standard with Windows 10/11 and is automatically enabled so no action is required, you are automatically protected.
macOS
Macs can also be vulnerable. Please see advice from Apple, you can also secure your Mac further, there are many services available and you should investigate what software works best for you, for example, Malwarebytes.
macOS offical security pages Malwarebytes for macOS
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