All versions of Fortknox 3.5 and above require a new license key.

If you have already purchased a license key for a version of FortKnox prior to 3.5, enter the license key in the text box below and you will be directed to the upgrade page, where you can purchase the new license key for a small fee.

FortKnox was previously codenamed PalmTree.

(the key is case sensitive)