On Windows the language can be changed in the Application Preferences.  On Mac the language is detected based on the OS language.

The languages supported in PrintFactory are as follows:

• Chinese – Simplified
• Chinese – Traditional
• Dutch
• English
• French
• German
• Indonesian (New in PrintFactory V6)
• Italian
• Japanese
• Korean
• Malaysian (New in PrintFactory V6)
• Polish
• Portuguese
• Russian
• Spanish
• Thai
• Turkish