Step by Step method to create a new partition from the Current partition

step 1 goto control; panel
step 2 then select administrative tools
step 3 then select computer management
step 4 select disk management under storage , it will show your hard disk now  select the  hard disk right  click on it. and select  shrink volume.
step 5  now type  in the  amount of  space  you  want  from the  disk .and  click on  shrink. the  space obtained  after  will be  unallocated space.
step 6 now  right  click on the unallocated  space  and select  new  simple  volume .
           just  follow the wizard. and  you  will get  the  new  partitiion