You can protect yourself and your devices from viruses, ransomware, banker Trojans, and other types of malware with our free antivirus for Windows. Install the browser extension Avira Browser Safety for Chrome, Firefox, and Opera to block tracking cookies and annoying banners on websites.Our Email Protection, available for the Pro version, scans emails for these dangers. Cybercriminals are constantly trying to distribute their malware via email with infected links or attachments.With our Firewall Manager you can optimize the protection with just one click. Your Windows Firewall is a key element in protecting your whole system.Our Web Protection stops you from visiting dangerous websites, and proactively blocks malicious and phishing URLs in websites, social networks and email.The PUA Shield discovers potentially unwanted software that is hidden within legitimate software.Our intelligent learning system NightVision protects you and your devices against new and evolving threats.Once a new thread has been identified, you are instantly protected against it. Our Protection Cloud can detect these never-seen-before attacks. This way, we protect you from Zero-Day-Attacks, where cybercriminals use new methods to infiltrate your system. The fingerprints of new unknown files are automatically uploaded to our cloud and analyzed in real-time. Avira’s free antivirus software uses the latest cloud technology to offer you the fastest and most reliable real-time scanning and data protection.

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