Partition label is an optional name assigned to a partition for easier recognition of your partitions. For example, one could be called WinXP which represent a partition with an OS, Games which represent a pastime partition, etc.
To change a partition label
1. Select a partition which label needed to change, and click the Label option in shortcut menu to invoke the Partition Label dialog.
2. Enter a new label in the Input Box field.
3. By clicking OK you'll add a pending operation, and the new partition label will be graphically represented in the Partition Assistant main window.
Note
In Windows, partition labels are shown in the Explorer disk and folder tree: System (C:), Work (D:), etc. System and Work are partition labels.
For FAT/FAT32 partition, the label can be set up to 11 characters, but in NTFS, the partition label is up to 32 characters.