Helium is available for Windows, Mac OS X and Linux. The easiest way to run it is via its standalone console application:
This app comes as a small Zip archive and does not require installation. You simply download, unzip and run the Helium executable. The entire process can be completed in less than 60 seonds.
In addition to the above, Helium can be used as a Java or Python library. In fact, the Helium console itself uses the Python syntax. This has the following advantages: