Challenge/Response Authorization

For challenge/response unlock code protection on Windows XP or Macintosh OS X 10.4.x Tiger and earlier systems, please select from the following choices:

Ivory 1.5 - 1.6x
To obtain an unlock code to run:
• Ivory 1.6 or older
• Ivory 1.6 or older with a registered Italian Grand
Please click the link below.


obtain Ivory Unlock Code

Existing Ivory 1.5 or 1.6x owners also have the opportunity to convert their existing license based on challenge/response unlock codes to an iLok license. It is highly recommended to move your existing license to iLok.


Italian Grand Expansion
If you own an Italian Expansion Pack and this is your first time registering, please register prior to obtaining an Unlock Code.




register Italian Grand

After successfully registering your Italian Expansion Pack, you will be directed to the Ivory registration page to obtain a new single, combined Unlock Code to authorize use of Ivory and Italian Grand Expansion Pack. Please note that entering a machine ID that you have already registered in the past will not count as an additional authorization.

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