Need help partitioning. aAcbook Leopard

[DEF Hater]

I need to partition more room for windows. I can't find a way to do it from the the OS. I need about 50GB more for windows. Is there a way to do this with out formatting the whole drive?

 

[Tallest Skil]

Clone your partition to an eHDD. Delete it and make a bigger one. Restore.