Kaspersky Premium Total Security is an endpoint protection solution designed for multiple operating systems including Windows, macOS, Android, iOS, and Linux. The product offers comprehensive security coverage across different device types and platforms. The solution operates on a subscription-based model with a 30-day free trial period. After the trial, it automatically converts to a paid yearly subscription unless cancelled. The subscription includes auto-renewal functionality, with billing occurring 15 days before the subscription period ends to maintain continuous protection. Users can manage their subscriptions through the My Kaspersky account portal, where they can cancel auto-renewal, view subscription details, and manage settings. The product provides a 30-day refund window from the billing date for renewal payments. The solution is compatible with desktop, mobile, and server operating systems, providing cross-platform protection for diverse computing environments. Subscription management includes email notifications for trial expiration (7 days before) and renewal reminders, along with pricing change notifications when applicable.