1. For installation, locate the file on your system or open the download history
2. Double-click the downloaded setup to begin installation
3. Provide the Webroot key code, when prompted
4. Follow the further instructions displayed on the screen to continue installation
5. Wait until the process finishes
You will get the Webroot key code or Webroot product key from the email ID registered with your Webroot account. If you are unable to find the email containing that product key, then call Webroot online support contact number. The technicians will first verify your details and then tell you the process to fix the error.