To install L0phtCrack 7 on a new machine or operating system, you will need to activate the new installation using your original license key and the password you assigned to it.
To move your license to a new machine you must first deactivate the license on the machine is is currently installed on. You do this by going to the Settings page by selecting Settings on the left panel. On the Settings page select the About L0phtCrack 7 tab. Next click on the Deactivate License button. You will be prompted to enter in your license password. If you have forgotten it you can select I forgot my password to have a password reminder sent to the email address you registered your license with.
Once you have deactivated your license you can then install L0phtCrack 7 on a new machine (download link: http://lc7.download/win64) and then activate the license on the new machine.
Enter the old password for the license and set a new password. If you forgot your old password you can have it reset at http://www.softworkz.com/mylicense. The select Reactivate Online.