If you change your computer's hardware (like a network card or motherboard), your Node ID may change, making your old activation code invalid.

If you have lost your key entirely, you will need to contact Punch! CAD Support with your proof of purchase.

If you are looking for your existing serial number or license information, check these primary locations:

Avoid "serial number generators" or "cracks" found online. These are often bundled with malware and will prevent you from receiving critical software updates or official technical support. Automatic Blend in Inventor Guide | PDF | Menu (Computing)

If you purchased the software digitally, the serial number is usually sent to the email address used during checkout. Look for emails from Encore Software or Punch! CAD.

If your serial number isn't working after a system update, try toggling between your recent and previous activation codes in the license manager before requesting a new one from support.

Shark FX V9 uses a (hardware-locked ID) to generate your unique activation code.