Entering an incorrect product key will result in activation errors for that product. First of all, if you have installed any Autodesk product whether it is successful or failed , you must remove all Autodesk products from your Windows system cleanly files, folders, Windows registry and more first, then follow the every step as below to crack, or you will never win. OR your only and simplest way is to reinstall your Windows system.
This free download is a standalone offline installer for Windows 32 bit and 64 bit. A user-friendly environment is there to help you create complex designs with less effort and improved user experience.
AutoCAD Mechanical 2014: The User Interface