Check the back of the retail card or the quick-start guide inside the box.
Depending on whether you are a new or existing user, follow these steps to apply your license: For New Installations Download and Run : Download the installer from the Webroot setup page Enter Keycode : When the installation box appears, enter your 20-character keycode Complete Setup Agree and Install webroot activation
Disable any active VPNs or aggressive firewalls that might be blocking communication with Webroot's servers. Check the back of the retail card or
Webroot activation is a critical step in getting started with the software. When you activate Webroot, you unlock its full range of features and benefits, including: webroot activation