Best Free Antivirus 2024 Australia. My pick for the best free antivirus software overall is avg antivirus free, which scans for viruses and malware, quarantines unwanted programs, and alerts you to any. Microsoft defender isn't bad these days, but it's still not enough to fully protect your pc.

Many people swear by windows defender, but others want different protection without having to pay an arm and a leg. Microsoft defender isn’t bad, but it’s still not enough to fully protect your pc.