Before downloading and installing Webroot Antivirus software, users should make sure that your computer system meets the system requirements. The interested users should visit the official website webroot.com/safe to read system requirements and license agreement. Do make sure that your computer is properly connected to internet. It is highly advisable to use browsers such as Internet Explorer 11 and higher, Mozilla Firefox 3.6 and higher, or Google Chrome 11 or higher, for installing this software.