To secure the device from the outside threats like worms, malware, spyware etc just download webroot already have key. Install and activate webroot with 20-digit webroot keycode at www.webroot.com/safe. User can also create account to manage webroot subscription online.User will find activation code at the backside of the retail card which you purchased from a reseller shop or if you purchased it from online then you will find this code at your email ID. Example of this code is xxxx-xxxx-xxxx-xxxx-xxxx. You need to enter webroot activation code at webroot.com/safe to activate webroot antivirus.