Scans incoming and outgoing messages for malicious attachments.

Downloading the .exe for Windows 10 provides an essential layer of security, especially since Microsoft ended official security updates for the OS on October 14, 2025 . While Microsoft Defender offers basic protection, Avast Free Antivirus includes advanced features like real-time AI threat detection and home Wi-Fi scanning that often outperform built-in tools in independent lab tests. Why You Need Avast for Windows 10 in 2026

A comprehensive one-click scan that finds hidden malware, outdated software, and browser security issues. Minimum System Requirements

Scans your home network for vulnerabilities like weak passwords or unauthorized users.

Blocks viruses, ransomware, and malware in real-time.

Since Windows 10 is now in its extended support period, it is increasingly vulnerable to new, operating-system-level threats. Avast has committed to supporting Windows 10 through , ensuring users receive updated virus definitions and security patches even after Microsoft has moved on. Key Features of the Free Version

To run Avast Free Antivirus smoothly on Windows 10, your PC should meet these specs: System requirements for Avast applications