: Ensure you are using the native 64-bit installer for AutoCAD 2012. You cannot run a 32-bit CADPower version on 64-bit AutoCAD.
Use the MENULOAD command if the CADPower toolbar doesn't appear automatically after installation. Why Professionals Still Use CADPower 2012
start /affinity 1 /high "C:\CAD\Cadpower2012\cadpower.exe"