Create a D: and E: Drive that will map to a folder on C:

Without using the disk manager to create a partition, create a D: and E: Drive that will easily map to a folder on the C: Drive.

If you have a CD/DVD Drive, move it to F:

In the Computer Manager under Disk Management, right click on the CD/DVD Drive and assigne the drive leter F.

Create the D: and E: Drive

First of, crate the two folders on the C: Disk.

Now, type the following commands in the console:

The drives are now visible in the File Explorer under This PC.

To make this mapping permanent (work after system restart), add string values to the Registry Manager under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices with:

Name: D: Data: \??\C:\Drive_D
Name: E: Data: \??\C:\Drive_E