Learn: How to Fix Mouse Left Click acting Like Right Click in Windows 10 How to Add a Program to the Right-Click Menu in Windows 10 So this is how you can easily remove items from the right-click menu in Windows 10 and make your Windows right-click context menu clutter-free. HKEY_CLASSES_ROOT\Directory\Background\shellex\ContextMenuHandlers.HKEY_CLASSES_ROOT\Directory\Background\shell.To customize the right-click context menu for desktop: HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers\.