PCT 1.0 is the first version of PCT that runs only in Microsoft Chinese Windows 95 and 98 environments. Moreover, it is available for download for free.
In the second version of PCT, it extends the pronunciation to Portuguese and runs in English or Chinese Microsoft Windows 95/98/ME environments.
PCT 3.0 provides a trilingual user interface including Portuguese, Chinese and English and it is applicable in Microsoft Windows 2000/XP environment.
PCT Assistente provides professional translators a translation workbench. It has the ability to learn the personal translation stylist in order to improve the quality of translation.