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NI offers a fully functional trial version of Multisim. This allows you to complete short-term projects or evaluate the software before committing to a purchase. NI Multisim Live

If your software came with a textbook, the serial number is usually printed on the DVD sleeve or a Certificate of Ownership included in the kit. How to Activate Multisim 14.3

: For digital purchases, the serial number is sent via email from activate@ni.com Physical Media : If you have a legacy DVD or USB kit, check the Certificate of Ownership , product packing slip, or shipping label.

: You can also verify the installed version and license details via the NI License Manager . Common Activation Issues & Fixes