Depending on how you acquired the software, your serial number can be found in the following places: For Students (University License):
Modern versions of Multisim (including 14.3) tie your license to your computer’s MAC address and hard drive serial number. A serial number from another PC will simply fail to activate on yours. Ni Multisim 14.3 Serial Number
While cracked activators and shared serial numbers are available on the gray market, they pose significant security risks and violate NI's licensing terms. Given the availability of a 7-day free trial, a 45-day student trial, and powerful free alternatives like LTspice or QUCS, users have many legal and safe pathways to access high-quality circuit simulation software without resorting to illegitimate methods. Depending on how you acquired the software, your
Application Status: Online-