Multisim (by National Instruments / now part of Emerson) is not free for commercial or full-featured use. A perpetual license costs hundreds to thousands of dollars. However, there are legal free versions available for specific users.

Here’s a useful, balanced review for someone searching : Review: NI Multisim – “Free” vs. Reality free download multisim circuit design software

If you’re an engineering student, educator, or hobbyist looking for a free download of Multisim, here’s what you need to know: Multisim (by National Instruments / now part of

★★☆☆☆ – Not truly free, but good if you qualify for academic access. free download multisim circuit design software