How can I download maps for free?

I'm curious to know, how can one download maps for free? Is there a specific website or platform that offers this service without any cost? I'm looking for a reliable and comprehensive source that can provide me with the latest and up-to-date maps for my personal use. Is there a certain process or steps that I need to follow in order to access these free maps? I'm also interested in knowing if there are any limitations or restrictions when it comes to using these free maps, such as copyright issues or usage rights. I would appreciate any guidance or suggestions on how to safely and legally download maps for free.