If you are having trouble zooming in Creo with mouse wheel go to control panel>hardware sound>mouse and click on the "Wheel" tab and set the option in the vertical scrolling area "one screen at a time" this solved my problem.
If you are having trouble zooming in Creo with mouse wheel go to control panel>hardware sound>mouse and click on the "Wheel" tab and set the option in the vertical scrolling area "one screen at a time" this solved my problem.