http://www.adobe.com/products/mediaplayer/?sdid=DHIUHSpecific system requirements for Adobe® Media Player software include the following:
Windows
* Intel® Pentium® 4 2.33GHz or faster processor
* Microsoft® Windows® XP with Service Pack 2 or Windows Vista® Home, Business, or Ultimate
* 1GB of RAM and 64MB of VRAM
Mac OS (PowerPC)
* PowerPC® G5 1.8GHz or faster processor
* Mac OS X v10.4.9–10.4.11 or 10.5.1–10.5.2
* 1GB of RAM and 64MB of VRAM
Mac OS (Intel)
* Intel Core™ Duo 1.33GHz or faster processor
* Mac OS X v10.4.9–10.4.11 or 10.5.1–10.5.2
* 1GB of RAM and 64MB of VRAM
Specific system requirements for video playback within Adobe Media Player vary by platform and video quality. A minimum 1,024x768 screen resolution is recommended in all instances.