Once on the Rahim Soft article page:
Diseñar decoración de interiores y realizar estudios solares. Descarga gratuita de ARCHICAD 21 Portable - Rahim soft
Students and educators are entitled to a fully functional education version of ARCHICAD for free through the Graphisoft Educational Program . Once on the Rahim Soft article page: Diseñar
ARCHICAD 21 Portable es una versión portable del software de diseño arquitectónico ARCHICAD 21, que se puede descargar gratuitamente desde el sitio web Rahim Soft. Descarga gratuita de ARCHICAD 21 Portable - Rahim soft
ARCHICAD 21 is a professional Building Information Modeling (BIM) software developed by Graphisoft. A "portable" version is typically a modified, unofficial version designed to run without a standard installation process.
Instead of risky downloads, you can obtain ArchiCAD for free through official channels: Educational License : Students, teachers, and researchers can get a free 1-year renewable license