If "Italian" is not listed under the 2013 version for Mac, it was never released for that specific operating system.
finally introduced official support for Italian and Spanish. Dictionaries language pack autocad 2013 mac italiano exclusive
Historically, AutoCAD for Mac has supported fewer languages than its Windows counterpart. For the 2013 edition, the Mac interface was predominantly available in only. Even later versions, such as 2018–2020, only slowly added German, Japanese, and Korean, while often still omitting Italian. Potential Workarounds If "Italian" is not listed under the 2013
Getting Started with the Italian Language Pack for AutoCAD 2013 on Mac such as 2018–2020
no official Italian language pack exists for AutoCAD 2013 for Mac
If you are looking to change the interface language, keep these official limitations in mind: