Do your scripts rely heavily on or external Windows APIs ?
: Obtain the specific 64-bit installer from the official Autodesk Support page . autocad 2015 vba module 64-bit
: Access more than 4 GB of system RAM, enabling macros to process massive drawing datasets without out-of-memory crashes. Do your scripts rely heavily on or external Windows APIs
To run a 64-bit VBA macro automatically when a drawing opens or via a custom ribbon button, wrap the execution inside an AutoLISP expression: autocad 2015 vba module 64-bit
