The built-in Disk Management in Windows 7 has added two new features “Extend Volume” and “Shrink Volume” compared with the former ones, like Windows XP. These two new features help resize partitions more flexibly than before with Disk Management. Below is how to shrink volume in Windows 7 with Disk Management.
The Following Steps Are:-
After Some Time Windows will Automatically Show how much Space can be free from the current Disk.
You Can Manually Add your Partition Space According to Given Space by Windows.