You require your serial number (also referred as a license number) in order to activate NI software. You can find out your serial number by contacting your software admin. You can activate your NI software by the following two ways: by using your serial number as long as your computer requiring activation has internet access OR by generating an activation code if your computer requiring activation does not have internet access.Note: For NI License Manager 4.5 and later, a computer with an active network connection will open a screen requiring an NI.com sign in. To activate offline, remove the computer from the network or disable the WiFi and move to the section on activation without internet access below.
NI License Manager versions 4.0 and later
NI License Manager versions 3.7 and previous
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A valid service agreement may be required, and support options vary by country.