1. Download Webroot SecureAnywhere Antivirus 2014 (725 KB).
Supported OS: Windows 8.1 / 8/7 / Vista / XP 32 | 64-bit
2. Install Webroot SecureAnywhere Antivirus 2014 using the given installation file and follow the on-screen instructions.
After installation, your computers and sensitive data are protected by 180 days - 6 months - free of charge.
Edit: The original download file is NOT working for some users, if it doesn't work for you then try the registration pagefor free 6 months subscription for Webroot SecureAnywhere AntiVirus for 1 device.
http://www.webroot.com/customerSupport/broncosTrial.php