Since all computers with windows registry have this hive, you aren't actually missing hkey current user if you can't see it, but you might need to hide a few things in order to find it.
Ebe ọ bụ na kọmputa niile na Windows Registry nwere ekpuchi a, ị naghị efu HKEY_CURRENT_USER ma ọ bụrụ na ịnweghị ike ịhụ ya, ma ị nwere ike iji zoo ihe ole na ole iji chọta ya.