Linda Z. Shimizu

Best Free Antivirus 2025 Australia. The best free antivirus in 2025: We’ve evaluated a range of free antivirus solutions to help you pick the best.

These are the best paid and free antivirus programs for windows pcs based on their ability to detect malware, impact on system performance and extra features. Unlike most free antivirus tools, avira free antivirus offers multilayered protection, including protection from ransomware and phishing.