Last updated: 2026. Information about trial resets changes rapidly as Bitdefender patches exploits.
: If your trial has expired and you purchase a new license, entering the key will "reset" the countdown to the full duration of your new subscription rather than adding to the expired trial. Troubleshooting Reset Issues bitdefender total security trial reset
When your Bitdefender trial ends, uninstall it cleanly and install Kaspersky. When that ends, move to Norton. By the time you finish the cycle (4 months), Bitdefender may have forgotten your Hardware ID, or you will have saved up for a license. Last updated: 2026