Before diving into the verification methods, it is important to understand what a Kaspersky license key looks like and what "validity" implies.
Check the subscription status and expiration date directly under the application name. Common License Status Indicators Active (Green) : Your protection is fully functional and up to date. Warning (Yellow)
: Navigate to Settings > Additional > Licensing or check the Profile section to view the validity period and license details. Review: Kaspersky License Management System