AutoCAD 2014 is included in Autodesk Product Design Suite 2014 as a profile of AutoCAD Mechanical named <<Vanilla>>.
To start an AutoCAD application from a Product Design Suite installation, expand the AutoCAD Mechanical 2014 - English start menu entry and select the AutoCAD 2014 - English entry.
Since AutoCAD Mechanical is built on top of AutoCAD, this profile of the application can be used in the same way you would use an AutoCAD application. There may be situations where you would like to install the AutoCAD application directly. You are puzzled to find it is not included in the Product Design Suite installation software. The AutoCAD installation software location and instructions for installation can be found on the following website: http://usa.autodesk.com/adsk/servlet/ps/dl/item?siteID=123112&id=22031772&linkID=9240617 If the AutoCAD installation is done on the same computer where Product Design Suite is installed, it will not consume a license when run.
During installation or deployment creation, it is important to use the serial number and product key for your purchased Product Design Suite 2014 product and not the product key for AutoCAD 2014. If the product key 001F1 is used the software registration process will fail since you do not own a licenced copy of AutoCAD.
One last important thing to consider before using either AutoCAD Mechanical or AutoCAD for design purposes. AutoCAD Mechanical, if used effectively, introduces special objects into each drawing. If the AutoCAD Mechanical drawing is edited in AutoCAD these objects will be imported as proxy objects and may not be capable of being edited. It is important then to use only one design tool for all drawings to prevent editing problems.