Search your inbox for "Fairdell" or "HexCmp." Your license details are sent immediately upon purchase.

Many "keygen" files are wrappers for malware, trojans, or ransomware.

Mastering HexCmp 2: How to Manage Your Register Key and License

Open the application on your Windows machine.

If you have your order ID but lost the email, you can contact Fairdell’s customer support through their official website to request a resend.