If you often operate the driver management of the Windows 10 system, you may still have some impression of the A drive that is the default location when the system installs the driver.

A drive and B drive were drive letters reserved by Microsoft for floppy disks many years ago. Of course, floppy disks are very rare now, so some netizens may have never seen A and B drives.

However, if you install the driver in Windows 10 and previous versions, the driver location that pops up by the system will select drive A by default. But now this historical path has been cleaned up by Microsoft: in Windows 11, the driver installation location no longer has A drive by default.

The A drive and floppy disk icons that appear by default during Windows 10 driver installation:

The default location in Windows 11 has become D drive: