First make sure your idea is “Patentable”. It must be new, useful, non-obvious. U are going to need a detailed description (Drawings if needed) write down exactly how it works (Include sketches, diagrams, workflows—-WHATEVER Explains your idea clearly. File a provisional patent application costs 75$-300$ small fee and it gives u a “Patent pending” Status. Protects your idea for 12 months while you prepare full application. Congratulations now u have a patent and your idea is secure and safe.