Thank you very much for downloading Panda Free Antivirus! - Panda Security 1. Run the Panda Security installer by clicking the downloaded file in the lower-left corner of your browser. 2. Click "Save File" in the pop-up window shown by your browser (Firefox and Internet Explorer), or check your "Downloads" folder (Chrome). 3. Follow the installation instructions and enjoy the best free protection! If you prefer to leave this process in the hands of experts, we will be happy to install your new antivirus for you.