Alex clicked the button at the top of the window. A new dialog box appeared, offering two primary paths:

: When copying and pasting serial numbers, ensure no extra spaces are included at the end.

To activate , you must use the NI License Manager application installed on your computer . As part of National Instruments (NI) software ecosystem, activation requires a valid serial number or an NI account associated with an active license. Activation Methods

: Go to the Network Licenses or Manage Network Licenses section.

To activate NI Multisim 14.3, first, launch the software on your computer. If you have not installed it yet, download and install it from the official National Instruments website.

To activate NI Multisim 14.3 using a physical license dongle, follow these steps:

If you encounter issues during the activation process, here are some troubleshooting steps to help you resolve the problem:

This is the most common method for users who purchased the software directly or through a retailer like Studica .