For AutoCAD 2013, the product key tells the Autodesk installer exactly which suite or standalone product you have purchased—whether it's plain AutoCAD, AutoCAD LT, or a specialized toolset like AutoCAD Architecture or Mechanical. The most sought-after code in this category is for the base version.
Here is the complete list of product keys for the AutoCAD 2013 family: product key of autocad 2013
Crucially, the product key is the same as a serial number. The serial number is unique to your purchase license. The product key is generic to a specific product and year. You need both to successfully install and activate AutoCAD 2013. For AutoCAD 2013, the product key tells the