In Windows operating system since Windows Vista, if for whatever reason the drive letter or paths assignment to a disk drive, CD or DVD drive, flash memory disk drive, or external hard disk drive needed to be changed or modified, users can use Disk Management console to manage the volumes and drives on the computer just like in Windows XP. The Disk Management console in Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10 and Windows Server allows user to perform various tasks including changing the drive letter and paths.

To change the drive letter or paths in Windows, just follow these simple steps:

  1. Right click on Computer or This PC and select Manage to open and access Computer Management Console.
  2. Navigate to and expand the Storage section, and click on Disk Management to access Disk Management Console.
    Type diskmgmt.msc in Run command to open Disk Management directly.

    In Windows since Windows 8, including Windows 8.1, Windows 10 and Windows Server 2012, Windows Server 2012 R2, Windows Server 2015 or 2016, you can also right click on Start button or bottom left corner to reveal the Quick Access Power User menu, and then select Disk Management (or Computer Management if follow steps above).

  3. Disk Management Console display the details of all available volumes and disk drives in the computer configuration in the right pane.
  4. Right click on the volume or disk drive that you want to change the drive letter, and select Change Drive Letter and Paths.

    Change Drive Letter and Paths

  5. Then click on Change button.
  6. Use the drop down list to select the new and your desired drive letter to assign to the disk volume.

    Assign New Drive Letter

  7. Click OK.
  8. Click Yes to confirm.

Any letter between C and Z can be assigned to a hard disk drive, CD drive, DVD drive, portable external hard disk drive, or USB flash memory key drive, while floppy disk drives use up letters A and B. Beside, the drive letter for the system volume or boot partition cannot be modified or changed. And if you install some applications or programs in the drive that you have just changed the drive letter, they may not functioning properly after the change due to the possibilities that the programs will also refer to the specific drive letter or original path used when installation as environmental variables.