Webroot offers a range of antivirus products, including Webroot SecureAnywhere Antivirus, Webroot Internet Security Plus, and Webroot Internet Security Complete. These products are designed to cater to different user needs, with varying levels of protection and features. To access these features, users must purchase a license, which typically requires a one-time payment or a subscription-based model. The license is validated through a unique keycode, which is used to activate the software and ensure that the user has a legitimate copy.