: This is a completely free, browser-based version available at Multisim.com . It allows you to design and simulate circuits online without any installation, though it has fewer advanced features than the desktop version.
For students learning Ohm’s law, RC filters, and basic op-amp circuits, this is more than enough. ni multisim free download
: Follow the prompts to install the software. You can choose the "Evaluation" mode to use it for free for up to 45 days. : This is a completely free, browser-based version
For everyone else – students, hobbyists, or educators – the free options (trial, Multisim Live, or open-source tools) are more than sufficient. : This is a completely free
: Many universities provide Multisim for free to their students through an Academic Volume License (AVL)