Publisher 2010 System Requirements

From: Microsoft TechNet

Component	Requirement
Computer and processor	500-megahertz (MHz) processor or higher
Memory	256 megabytes (MB) RAM or higher
Hard Disk	1.5 gigabyte (GB) available disk space
Display	1024 × 768 or higher resolution monitor
Operating System	Windows XP with Service Pack (SP) 3 (32-bit), Windows Vista with SP1, Windows Server 2003 R2 with MSXML 6.0, Windows Server 2008 or later (32-bit or 64-bit), Windows 7 or later operating system.
Others	Certain inking features require running Windows XP Tablet PC Edition or later; speech recognition functionality requires a close-talk microphone and audio output device. Internet Explorer 6 or later, 32-bit browser only. Internet functionality requires Internet access (fees might apply). Actual requirements and product functionality might vary based on the system configuration and operating system. Seehttp://www.office.com/products (http://go.microsoft.com/fwlink/?LinkId=169378). Use of graphics hardware acceleration requires DirectX 9.0c compatible graphics card with drivers dated 11/1/2004 or later. Internet connectivity and a Windows Live ID, to share Templates and Building Blocks.