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To work with drive letters, you’ll use the Disk Management tool built into Windows.
You’re not going to be formatting or creating anything.
That’s just the Start menu entry for the Disk Management tool.
Windows will scan and then display all the drives connected to your PC in the Disk Management window.
The “Change Drive Letter and Paths” window the selected drive’s current drive letter.
To change the drive letter, click “Change.”
M through Z are almost never used on most Windows systems.
Windows will display a warning letting you know that some apps might rely on drive letters to run properly.
For the most part, you won’t have to worry about this.
Click “Yes” to continue.
Back in the main Disk Management window, you should see the new drive letter assigned to the drive.
it’s possible for you to now exit the Disk Management window.
From now on, when you disconnect and reconnect the drive, that new drive letter should persist.