Burning problem

I have just donwloaded a ps2 game after i extracted the files i got 2 files an MDF file and MDS file the MDF is about 4.5 GB .
How do i burn it?
Answer #1
check this
http://www.tech-recipes.com/rx/1101/how_to_open_burn_mdf_mds_files_cd_dvd
Answer #2
Tnx man