The only difference is that the full version has a lot of languages, and the lite version is only English/Spanish. More than likely, the 2.5MB download will do.

在这个新版本中，你将可选择完全版(10MB),或者轻量版(2.5MB).两者的唯一区别是，完全版支持很多的语言，而轻量版只支持英语和西班牙语。

youdao

ISA Lite version information is automatically written to the console and log at startup; the same information can be found under the Help menu, and by passing -version to the start scripts.

IS ALite版本信息在启动时自动写到控制台和日志；这些信息可以在Help菜单下找到，也可以通过将- version传递到启动脚本来查找。

youdao

ISA Lite version information is automatically written to the console and log at startup; the same information can be found under the Help menu, and by passing -version to the start scripts.

IS ALite版本信息在启动时自动写到控制台和日志；这些信息可以在Help菜单下找到，也可以通过将- version传递到启动脚本来查找。

youdao