|Use Disk Management.|
Start > Run then type "diskmgmt.msc" without the quotes
Right click in the free space and create partitions as you desire.
Note you can have a maximum of 4 primary partitions on a hard drive. One of these primary partitions can be a special partition called extended partition. An extended partition will allow you have multiple logical drives within it.
☺ When everything else fails, read the instructions.