If you wanna burn files or iso on CDs or DVDs, you can use either of those programs, they are completely free and easy to use.
the program easily to use, you can burn CD or DvD or even the new Blu-ray, you can burn files or auto booting CDs or DVDs by choosing image.
Second Program Ashampoo Burning Studio 6 FREE:
has the same proprieties of the first application and it is completely free too.