Autodesk moved to a years ago. Fixed product keys and offline cracks are largely obsolete because the software now requires periodic online sign-ins to verify your identity and license status.
If you're looking for a specific feature in AutoCAD 2018 or need help choosing a budget-friendly alternative for a project, what kind of are you planning to do? Autodesk moved to a years ago
: Students and educators can get Free Educational Access for one year (renewable). Autodesk moved to a years ago