: Launch the application on your computer.
: Go to the Apps tab. Under the Installing section, find the Default install language dropdown and select English (North America) or English (International) .
If the English language files are already installed (which is common in default installations), the user can switch the interface language without reinstalling the software.
: Within Illustrator, go to Edit > Preferences > Hyphenation (Windows) or Illustrator > Preferences > Hyphenation (Mac). Change the Default Language to English. Note that this primarily affects text tools rather than the entire menu interface.
The process for changing languages in Adobe Illustrator is often criticized for being . How to Change the Language in Illustrator
The safest and most effective method to switch Adobe Illustrator to English is through the Creative Cloud desktop preferences.