Avast Free Antivirus is your ultimate shield against online threats. With real-time protection, it keeps your devices safe from viruses, malware, and spyware. Its smart scan feature ensures that your system is always running smoothly. The Wi-Fi inspector alerts you to any vulnerabilities in your network, while the password manager securely stores all your passwords. Stay protected with Avast Free Antivirus, the trusted choice for over 400 million users worldwide.
Constantly scans files, email attachments, and websites for malware to protect your device from threats in real-time.
Automatically sends suspicious files to the Avast Threat Labs for analysis to detect new malware threats and keep your device secure.
Scans your network for vulnerabilities and helps you secure your Wi-Fi connection to prevent unauthorized access to your data.
Monitors the behavior of applications in real-time to detect and block suspicious activities that may indicate malware infection.
Quickly scans your device for malware, outdated software, network threats, and performance issues to keep your device running smoothly.
Safely stores and manages your passwords, credit card details, and other sensitive information to help you securely access your accounts.
Click on the Download button to start downloading Avast Free Antivirus for Windows
Open the .exe installation file in the Downloads folder and double click it
Follow the instructions in the pop-up window to install Avast Free Antivirus on Windows Desktop
Now you can open and run Avast Free Antivirus on Windows Desktop
Update: 03 Mar 2025
Avast has released a patch for a critical vulnerability in its Free Antivirus software that could allow attackers to execute malicious code with kernel access. Users should update immediately to version 25.3.9983.922 to mitigate risks associated with this flaw.