Enter your username and your valid Product Number (received upon purchase).
To ensure you are getting a safe and authentic version, it is recommended to download from the official AhnLab website or reputable software portals like CNET Download .
Windows 7 SP1, 8/8.1, 10, or 11 (Supports both 32-bit and 64-bit).
Choose the " Full " option to ensure all protection layers—including the firewall and web security—are active.
Click "Finish" and restart your computer to finalize the setup. Why Choose AhnLab V3 9.0? [V3IS/NET9.0] Installing V3 for Windows - ASK - AhnLab
Double-click the installer and follow the on-screen prompts.
Intel Pentium 4 1GHz or higher (Intel Core i3 recommended).
Beyond security, it includes tools to clean junk files and manage startup programs, keeping your PC running smoothly. System Requirements
Features dedicated "security folders" that protect critical files from unauthorized encryption and utilize decoy files to trap ransomware.
Save the installation file from a verified source to your desktop.


Enter your username and your valid Product Number (received upon purchase).
To ensure you are getting a safe and authentic version, it is recommended to download from the official AhnLab website or reputable software portals like CNET Download .
Windows 7 SP1, 8/8.1, 10, or 11 (Supports both 32-bit and 64-bit).
Choose the " Full " option to ensure all protection layers—including the firewall and web security—are active.
Click "Finish" and restart your computer to finalize the setup. Why Choose AhnLab V3 9.0? [V3IS/NET9.0] Installing V3 for Windows - ASK - AhnLab
Double-click the installer and follow the on-screen prompts.
Intel Pentium 4 1GHz or higher (Intel Core i3 recommended).
Beyond security, it includes tools to clean junk files and manage startup programs, keeping your PC running smoothly. System Requirements
Features dedicated "security folders" that protect critical files from unauthorized encryption and utilize decoy files to trap ransomware.
Save the installation file from a verified source to your desktop.

