: While many keygens are flagged as "viruses" by antivirus programs because of how they modify system files, it is impossible for a standard user to distinguish between a "benign" crack and a harmful virus. Legal and Technical Considerations
Despite his reservations, Alex found himself at a crossroads. He could either continue to use AutoCAD illegally, potentially exposing his device to malware and himself to legal repercussions, or he could seek out legitimate alternatives. xforce keygen autocad 2013 64 bit softonic link
Using a keygen to bypass licensing is a violation of Autodesk's Terms of Service and intellectual property laws. AutoCAD 2013 Features (Official Context) : While many keygens are flagged as "viruses"