Imtoo Mp4 Converter Registration Code

HELLO all gurus in the house. My Brother brought 1 8gb SONY Walkman from UK dat contain some tasty songs dat I've been craving to have for long but all are in OMAG formats dat can only play on computer( sonic stage software)  and d device( ATRAC) itself.     
This made me 2 download d IMTOO converter but its demandin 4 Reg/License code wc I Dnt av but gurus in d house cn hlp mi get. I wont mind any other converter dat can convert dis OMAG 4mats 2 MP3 4 ME.