Could you clarify what you mean by "deep piece"? Are you looking for:
: A window will appear. Drag the CleanMyMac X icon into the Applications folder shortcut shown in that same window.
Not literally, but the spinning beachball of death had been dancing on her screen for twenty minutes. She had a major presentation due in four hours, and her disk space was "critically low." She tried deleting files, but it was like fighting a hydra—delete one folder, two more mysterious temporary files appeared, holding her photos, cache files, and system logs hostage.