Prepare for the IELTS exam for free by utilizing online resources such as official IELTS practice materials, sample tests, and study guides available on websites like the British Council, IDP, and Cambridge English. Utilize YouTube channels like IELTS Liz and IELTS Simon for valuable tips and practice exercises. Join online forums and communities for peer support and discussion. Borrow IELTS prep books from libraries, and practice regularly with free sample papers and listening materials. This approach can help you develop your language skills and familiarity with the test format without incurring additional costs.