Xforce Autocad 2016 is a crack developed by a group of hackers that allows users to activate Autodesk AutoCAD 2016 without a valid license or activation code. The crack uses an algorithm to generate a fake license key, which tricks the software into thinking it's been activated by a genuine user. Xforce Autocad 2016 is widely available on various online forums and websites, making it easily accessible to anyone who wants to use AutoCAD 2016 for free.