You can download the license file for your NX version from GTAC using yourwebkey account.
Procedure for obtaining a permanent license file:
1. Go to the GTAC web site
2. Click on "Current Licenses" to obtain a new license file.
3. Click on "Passwords and License Files"
4. Choose the relevant product and version.
Procedure for obtaining an emergency license file:
1. Go to the GTAC web site
2. Click on "Emergency Licenses" to obtain temporary emergency license file. This will allow you to start your systems for a limited time. Your Customer Service Representative will be notified that you requested this service.
3. Click on "Emergency Passwords and License Files"
4. Choose the relevant product and version. You will need to give a reason for the request and agree upon the legal notice.