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 A Lite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

The software company has developed Flash Lite, a version of Flash for mobile phones and some other home electronic devices.

VOA: special.2010.06.22

And of course, in the last few weeks we've seen the subsequent announcement and Japanese launch of the DS Lite, a smaller, thinner, lighter version of the same device.

ENGADGET: A Brief History of Handheld Video Games

Manufacturing is coming back to the U.S. But the evidence suggests it will be in a stripped-down, labor-lite version.

FORBES: GE Keeps Manufacturing Jobs In US -- For Highly Skilled

Back in July, word got out that Huawei was prepping a revised version of its entry-level Android tablet, dubbed the MediaPad 7 Lite.

ENGADGET: Huawei MediaPad 7 Lite hands-on at IFA 2012 (updated: video)