OS 10.7 and above uses the python script (.py) which is included in the License Recovery kit.
Mac OS X 10.7
a. Double-click the LicenseRecovery111.dmg
Note: Leave this window open and proceed to the next step.
b. Double-click your Hard Drive.
c. Double-click Applications.
d. Double-click Utilities.
e. Double-click Terminal.
f. Type “sudo python“
Note: There is a space following “python”. Do not press Return.
g. Drag LicenseRecover.py from the LicenseRecovery folder onto the Terminal Window and press Return. Note: Make sure that the Terminal window has the command and the path to the APP file. For example: "sudo python /Volumes/LicenseRecovery\ 11.6.1/LicenseRecovery/LicenseRecover.py”
h. Enter your administrator user name and password when prompted and click OK.
i. Follow the onscreen instructions.