Despite its age, demand for the pt-BR pack persists for three reasons:
Edit the acad.pgp file (now located in %AppData%\Autodesk\AutoCAD 2012\R18.2\ptb\Support). Add custom aliases like C for Círculo and CP for Cópia. autocad 2012 language pack pt br
Unlike modern AutoCAD (which uses built-in language switching via .msi transforms or language packs post-install), AutoCAD 2012 required a specific, region-locked installer. Despite its age, demand for the pt-BR pack