Microsoft Windows 7 (SP1), Windows 8, Windows 8.1, or Windows 10 (64-bit editions).

Search your inbox for "ACD Systems" or "Order Receipt" to find the original confirmation.

For advanced users, the key is often stored locally in the registry under HKEY_LOCAL_MACHINE\SOFTWARE\ACD Systems\ . Troubleshooting Activation Issues

Click on Help in the top menu bar, then select Enter License Code .