Windows 11 lets an administrator change or assign drive letters for suitable volumes through Disk Management. Do not change the letter of the drive that contains Windows or installed applications simply for cosmetic reasons, because programs and system references can stop working.
How to Change a Drive Letter
- Right-click Start and open Disk Management.
- Locate the correct volume.
- Right-click it and select Change Drive Letter and Paths.
- Select Change.
- Choose Assign the following drive letter.
- Select an available letter.
- Select OK, then confirm the change.
When You Should Not Change a Drive Letter
Microsoft recommends against changing the drive letter of a volume that contains Windows or applications. Installed software can store paths that include the existing drive letter, so changing it can prevent programs from finding their files.
If Change Drive Letter and Paths Is Unavailable
The volume may not be ready for a drive letter, may be inaccessible, may be an EFI or Recovery partition, or you may not have sufficient permissions. Do not force a drive letter onto a system or recovery partition.
External and Secondary Drives
Changing a letter can be useful when an external or secondary data drive conflicts with another device or when you want a consistent letter for a data volume. Make sure applications do not depend on the old path before changing it.
Summary
Use Disk Management’s Change Drive Letter and Paths command for ordinary data volumes. Avoid changing the Windows or application drive, and leave EFI and Recovery partitions alone unless you have a specific administrative reason to modify them.