Instead of chasing the 13 MB myth, download the full PES 2009 ISO (around 3 GB) and remove:
This is the most common scenario for "Only 13 Mb" claims. Pes 2009 Highly Compressed Only 13 Mb
Some "highly compressed" links found on unofficial blogs may contain malware or non-functioning software. PES 2009 Game Features Instead of chasing the 13 MB myth, download
If you want a legally: