: Go to the Cisco License Portal and enter your PAK (found on your purchase document).
: A reload may be required for certain features like 3DES/AES to become active. ASDM Method Navigate to Configuration Device Management Activation Key Enter the new activation key and click Cisco Press 3. Installing Smart Software Licensing Newer models (e.g., Firepower 1000/2100) and the ASAv (Virtual ASA) cisco+asa+license+key+generator+install