If you use CAD professionally, the current AutoCAD subscription ($265/month or $2,035/year) includes:
Need only to view or plot AutoCAD 2014 drawings? DWG TrueView is 100% free, legal, and includes markup tools.
: If you purchased a digital copy, your license information is typically sent in an electronic fulfillment email Physical Packaging
The search for “AutoCAD 2014 product key free download” is a dead end—either illegal or infected. Your real options are better:
Contact Autodesk support with proof of purchase. They may recover it.
You can locate your specific serial number and product key through several official Autodesk Account : Sign in to the Autodesk Management Portal