How to download boson NetSim?

Could you please explain to me in detail the steps required to download Boson NetSim? I'm a bit unfamiliar with the process and would appreciate a step-by-step guide, including any prerequisites or special instructions that I should be aware of. Additionally, could you clarify if there are any limitations or restrictions on the version I'm downloading, and whether or not it's compatible with my current operating system? I'm looking forward to learning more about this software and how it can benefit my networking studies.