To legally obtain FL Studio for free, you have a few options. Image-Line, the developers of FL Studio, sometimes offer promotional deals or trials that allow you to use the software without cost for a limited period. Additionally, they offer a demo version of FL Studio that lets you explore most of its features, but with some limitations like not being able to reopen saved projects. To ensure you’re following legal avenues, always download the software directly from the official Image-Line website or authorized partners.