Avast 2026 v21.24.31 [AppDoze] Avast 2026 is a comprehensive antivirus solution that offers real-time protection against malware, ransomware, and other online threats. It includes features such as a firewall, VPN, and performance optimization tools to enhance your PC's security and efficiency. Installation: 1. Download the setup file. 2. Right-click on setup.exe and select 'Run as Administrator'. 3. Follow the on-screen instructions to complete the installation. - Run setup.exe as Administrator