This is the number one answer for GIS users. QGIS 3.x is more powerful than AutoCAD Map 3D 2008 in many ways.
: Most sites offering free downloads of AutoCAD Map 3D 2008 are distributing cracked or pirated software , which frequently contains malware or ransomware designed to infect modern systems.
: Students and educators with a valid institutional email can get free one-year educational access to current Autodesk products through the Autodesk Education Plan