An electronic device according to the present invention, includes: a specific operation member; an assigning unit configured to assign, in accordance with a designating operation by a user, a function to be executed in accordance with an operation with respect to the specific operation member; and a display controlling unit configured to control so as not to display a guide showing that function assignment to the specific operation member is possible even when a specific operation with respect to the specific operation member is performed in a case where function assignment by the assigning unit has been performed, and configured to control so as to display the guide in accordance with the specific operation with respect to the specific operation member in a case where function assignment by the assigning unit has not been performed.