I have a model of arms that I set key frames to move the up and down in the animation window but when I stop recording the animation the “Animator” Component pops up in the inspector not the “Animation” component. The “Animator” one does not have the “Play Automatically” check box so it just plays when I start the game. This is getting really frustrating because everybody I ask tell me to un check the “Play Automatically” Box when it is not there. I also want it to play only on a certain key press but I already have the script for that. I mean seriously how hard is it to create an animation and have it only play on a certain key press? If anybody has any idea or video on how to stop it from playing on game start please let me know ASAP! Thank you! 
Create an Animator Controller file. Open the Animator window from the menus. Click the file. Set up Mecanim animations here.
Otherwise mark your animation as Legacy.
The Animator component is placed on an object when the Rig Type is set to Generic or Humanoid in the Import settings, Rig tab. Selecting Legacy here will use the animation component.