# Mounting Drives and Directories in Windows
You don't have to use only drive letters C:, D:, E: and so on for subsequent disk partitions. Windows gives much freedom in managing drive letters and partitions, if you know how to do that.
First, you can change a drive letter for a hard disk partition or removable disk drive. For example, I like to have my DVD as drive X:. To do that:
Second, you can mount whole partition or drive in an existing, empty directory. To do that:
And finally, you can do the opposite - mount a directory as a separate drive. The way to do it is quite different, as it requires to use a console command:
subst s: d:\Dir\Subdir
To remove such drive, use the following command:
subst s: /D