System Requirements

512MB RAM Minimum; 1GB RAM or more recommended.

For Unity Reader, Java Standard Edition Runtime Environment 1.6 (JRE version 6) Minimum.

Microsoft Windows (XP or later), Macintosh (OS X), or UNIX platforms using FireFox, Internet Explorer (on Windows), or Safari (Macintosh).

Detailed Requirements are available on the Help page once you sign in.

Also, see out http://site.ebrary.com/help/en/system_requirements.htm for more details.