If you previously owned a legal license for CS4, note that Adobe has ceased support for this version and it can no longer be activated online. Adobe Illustrator CS4 Legacy Features (Spanish)
Unofficial portable versions are created by third parties who modify the original software. Security Vulnerabilities: Descargar Gratis Adobe Illustrator Cs4 Portable Espanol
While you can find links for "Adobe Illustrator CS4 Portable Español" online, If you previously owned a legal license for
Adobe does not officially create or support portable versions Descargar Gratis Adobe Illustrator Cs4 Portable Espanol