Using the zoom controlsNote In Windows, you can only zoom in to 300% when Enlarge window contents to improve readability is selected in the General tab of the Preferences dialog box, or if your system is using a HiDPI display.Tip If you can’t use the zoom controls, it is likely that a script has been performed that locked the zoom level. To restore the zoom feature, run a script that has the Zoom Level script step with the Lock option turned off.