If you do not have the Professional Edition then you will not automatically have RSLogix Emulate 5000. You must have purchased RSLogix 5000 or Studio 5000 already to use RSLogix Emulate 5000.
It comes included when you purchase RSLogix 5000/Studio 5000 Professional Edition, or is available separately with other Editions. RSLogix Emulate 5000 is more of an add-on or complimentary software product to RSLogix 5000/Logix Designer.
RSLogix 5000/Logix Designer do not come with a purchase of RSLogix Emulate 5000.