For beginners looking to use Freelancer.com, it's important to first create a detailed and comprehensive profile, highlighting your skills, experience and portfolio. Once you have established your profile, start browsing through job postings and apply for projects that match your expertise. It's crucial to bid competitively, while also showcasing your value proposition. Additionally, ensure that you communicate effectively with prospective clients, providing regular updates on project progress and staying receptive to feedback. Finally, once the project is complete, ensure that you receive payment in a timely manner by using Freelancer.com's secure payment methods. By following these simple steps, you can establish a successful freelancing career on the platform.