Bring back "Open command window here" context menu item in Windows
It’s a simple registry hack.
- Strat registry editor: Run -> 
regedit. 
- Go to 
HKEY_CLASSES_ROOT\Directory\shell\cmd. - Right-click the cmd (folder) key, and click Permissions.
 - Click the Advanced button.
 - Advanced Security Settings dialog will open, at the top next to Owner click Change.
 - Put in your account name, click Check Names to make sure domain etc is set up correctly, click OK.
 - Check the Replace owner on subcontainers and objects check box near Owner field.
 - Click Apply, OK.
 - In the now open Premissions dialog, select Administrators, check Full Control checkbox below.
 - Click Apply, OK.
 - You are now back in the registry editor. Click the 
cmdfolder on the left. - Look for 
HideBasedOnVelocityIdkey in the right window tab.- If it’s there, Right-click, Rename to 
ShowBasedOnVelocityId. - If it’s not there, just add the 
ShowBasedOnVelocityIdkey (type DWORD), value0x00639bc8 (6527944). 
 - If it’s there, Right-click, Rename to 
 - Now try Shift + Right Click in an Explorer window, you should see the Open command window here option.