A work machine includes an actuator; an operator's seat; an operation device configured to receive an input by a first operator in the operator's seat to operate the actuator; processing circuitry configured to activate the actuator according to one of an input of a remote operation from outside the work machine and an input to the operation device; and an output device configured to perform at least one of notifying the first operator that the work machine is being remotely operated when the actuator is being activated according to the input of the remote operation, and notifying the first operator that there is a possibility of the work machine being remotely operated when there is a possibility of the actuator being activated according to the input of the remote operation.