You can read more about the Personal Protection Order process and also download forms for filing for a Personal Protection Order in the state of Michigan at the Michigan State Court website.
You will find instructions on how to file for a PPO here.
Court forms are also available in the clerk's office at the courthouse where you will file. See Courthouse Locations for a list of Michigan courts.
You may also be able to obtain them by calling a local domestic violence organization or legal aid office. See MI State and Local Programs for a list of resources.