Open Device Manager in a Single Click

Steps:

1. Open Notepad.

2. Copy the following text to Notepad.

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\shell\Device Manager\command]
@="mmc.exe %%systemroot%%\\\\System32\\\\devmgmt.msc"

3. Save the text file.

4. Change extension from .txt (text file) to .reg (registry file).

5. Double click open the file, click Yes and then click OK.

It's done.