Make Explore/Open the first option when you right-click a folder

To make Explore the first option in the right-click, merge the following to the registry:

Windows Registry Editor Version 5.00 [HKEY_CLASSES_ROOT\Folder\shell] @="explore"

To make Open the first option in the right-click, merge the following to the registry:

Windows Registry Editor Version 5.00 [HKEY_CLASSES_ROOT\Folder\shell] @="open"