This will allow the use of the old Windows 10 style file explorer in Windows 11.
1). Open Regedit winkey + R
2). Enter “RegEdit” (Enter)
3). Navigate to “HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced”
4). Right Click “New” Dword(32-Bit)
5). The new Name value should be “SeparateProcess”
7). Double click to edit: 1 Windows 10 style, 0 Windows 11 style.
8). Exit Regedit, and Open Task Manager.
9). In the “Processes” tab find “Windows Explorer” -> Right Click choose “End Task”
This will re-start Explorer and re-load the system using the new Registry settings.
Note: Always backup the registry before editing.