You can use the Online licensing MultiKey applet displayed below to create license string for use with Multikey x64.
Licenses must be placed in any location of reg-file with dump of your dongle.
For "Dongle password" on form need use 8 hex digits from name of Multikey path.
For example : [HKEY_LOCAL_MACHINE\System\CurrentControlSet\Multikey\Dumps\12345678]
Dongle password : 12345678
On all of inaccuracies found or broken licenses report to service of technical support.
Dongle password  must be 8 hex digits long.