Just collapse any open subkeys (by tapping or clicking the arrow to the left) until you get back to the list of hives, which is where you'll find HKEY_CURRENT_CONFIG.
Naanị ịkụda subkeys ọ bụla (site na ịpị ma ọ bụ na ịpị àkụ áká ma ọ bụ ihe ntinye aka n'aka ekpe) ruo mgbe ị ga-alaghachi na ndepụta nke hives, bụ ebe ị ga-ahụ HKEY_CURRENT_CONFIG.