You may find that there is not enough free space on a certain partition. For example, you want to enlarge C: drive, which usually is Windows system drive. EASEUS Partition Manager Personal lets you free enlarge or reduce a partition in Windows 2000/XP/2003 Server(Only Server Edition) without destroying data easily.
For more:http://www.partition-tool.com/easeus-partition-manager/help/resizing-and-moving-partition.htm