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Boostez les performances de vos appareils. Nouvelle certification en : Prix AV-Test du meilleur produit. En savoir plus. Avast Antivirus Gratuit. Facile et convivial. Obtenez une protection antivirus essentielle. Faites comme eux. CyberCapture Envoyez automatiquement les fichiers suspects dans le cloud pour les analyser.

Ryan Rentfro. Eric Scherer. Daryl Colley. Pour plus de FAQ, visitez notre Centre de support. Une protection gratuite essentielle en un seul clic. Erfahren Sie, wie Sie Speicherplatz freigeben und die Festplatte bereinigen. Was ist eine Firewall? Windows-PC beim Gamen zu langsam? Erfahren Sie, wie Sie diese Funktion aktivieren. Der kostenlose Antivirus war erst der Anfang. Alle PC-Produkte. Produkte vergleichen. Holen Sie sich Premium Security. Ransomware is a serious threat to individuals, businesses, and even hospitals.

Learn how ransomware works and block hackers from holding your files hostage. How do you report identity theft? If you think your identity has been stolen, find out how to report it to the FTC, the police, or the government. Find out which one is the most suitable for you. Worldwide English. In order to view this page correctly, you must have a JavaScript-enabled browser and have JavaScript turned on.

We apologize for any inconvenience. Learn how to enable it. No slowdowns or interruptions. Easy to install, effortless to use. Get essential antivirus protection. Avast Free Antivirus scans Windows devices, like your laptop or desktop PC, for privacy, security, and performance issues, then tells you how to fix things instantly. Over million users worldwide trust Avast.

Join them. Intelligent Antivirus Detect and block viruses, malware, spyware, ransomware and phishing. We use smart analytics to stop threats before they affect you. CyberCapture Automatically send suspicious files for analysis in the cloud, and push a cure to all Avast users if it's a threat.

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How does Avast Free Antivirus protect against so many types of threats?