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
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2. Click on "Current Licenses" to obtain a new license file.
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3. Click on "Passwords and License Files"
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4. Choose the relevant product and version.
Procedure for obtaining an emergency license file:
1. Go to the GTAC web site
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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.
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3. Click on "Emergency Passwords and License Files"
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4. Choose the relevant product and version. You will need to give a reason for the request and agree upon the legal notice.