How do you turn on life transferring machine on riddle school 5?

In Riddle School 5, to turn on the life transferring machine, you need to find the power switch located in the room. Once you locate the switch, interact with it to activate the machine. Make sure you've completed any necessary tasks or puzzles beforehand to ensure that you can access the switch without any hindrances. After activating it, you can proceed with the game's storyline.