To activate , you must use the NI License Manager or log in directly through the software's activation wizard. The exact steps vary depending on whether you have a serial number, a volume license, or are using a trial. Activation Methods for NI Multisim 14.3 Activating Software - NI - National Instruments
Provide an in-app, step-by-step activation feature that guides users through activating National Instruments Multisim 14.3 (license key or NI License Manager), handling both online and offline activation workflows.
To help you get your simulation environment perfectly tuned:
: Licenses are often tied to specific NI User Accounts. Ensure you are logged into the same account used for the purchase.