windows

Load the command prompt to your right-click options

Easy as this

Windows Registry Editor Version 5.00

[-HKEY_CLASSES_ROOT\Directory\shell\runas]

[HKEY_CLASSES_ROOT\Directory\shell\runas]
@="Open command window here as Administrator"
"HasLUAShield"=""

[HKEY_CLASSES_ROOT\Directory\shell\runas\command]
@="cmd.exe /s /k pushd \"%V\""

[-HKEY_CLASSES_ROOT\Directory\Background\shell\runas]

[HKEY_CLASSES_ROOT\Directory\Background\shell\runas]
@="Open command window here as Administrator"
"HasLUAShield"=""