ACT! 2008 (10.0) Minimum System Requirements
ACT! 2008 System Requirement from Sage Software

Client Installation: ACT by Sage or ACT by Sage Premium
- Microsoft® Windows® XP Home (Service Pack 2), XP Professional (Service Pack 2), Windows XP Media Center (Service Pack 2), Server 2003 Standard Edition, Server 2003 Enterprise Edition, Server 2003 Web Edition, 2003 Small Business Server operating systems (all Server 2003 need Service Pack 2), Microsoft Windows VistaTM Home Basic, Vista Home Premium, Vista Business, Vista Ultimate, Vista Enterprise.
- Minimum 600 MHz Pentium III (or equivalent) processor
- Minimum 1 GB RAM
- Minimum on Vista and Recommended on XP: 1.8 GHz Pentium IV (or equivalent) processor
- Minimum on Vista: 2 GB RAM
- Minimum 1GB of available hard disk space
- CD-ROM drive
- SVGA (800×600) or higher resolution monitor
Other System Compatibilities
- Microsoft Outlook® 2002/2003/2007
- Microsoft Outlook Express 5.5/6.0
- Lotus Notes® 6.5, if installed on Vista, Lotus Notes 7.02
- Eudora® 5.2
- Internet Mail SMTP/POP3
- Microsoft Office 2002/2003/2007
- Microsoft Internet Explorer® 6.0/7.0
- Adobe® Reader® 6.0/7.0/8.0
- Adobe® Reader® 5.0/6.0/7.0
- Peachtree Accounting 2006/2007/2008 (with additional Accounting Link product)
- QuickBooks® Pro/Premier 2006/2007 (with additional Accounting Link product)
- VMware® Workstation 5.0/5.5 and VMware Server 1.0.1
Database Server Installation:
- Using Microsoft SQL ServerTM 2005 Express Edition: Microsoft Windows XP Home (Service Pack 2), XP Professional (Service Pack 2), Windows XP Media Center (Service Pack 2), Server 2003 Standard Edition, Server 2003 Enterprise Edition, Server 2003 Web Edition, 2003 Small Business Server operating systems (all Server 2003 need Service Pack 2), Microsoft® Windows® Vista Home Basic, Vista Home Premium, Vista Business, Vista Ultimate, Vista Enterprise.
- Using Microsoft SQL Server 2005 Standard Edition: Server 2003 Standard Edition, Server 2003 Enterprise Edition, 2003 Small Business Server operating systems Enterprise Edition, 2003 Small Business Server operating systems (all Server 2003 need Service Pack 2), Microsoft® Windows® Vista Home Basic, Vista Home Premium, Vista Business, Vista Ultimate, Vista Enterprise.
Note: Windows XP, Vista Business, Vista Enterprise, and Vista Ultimate editions limit the number of concurrent users to 10.0


{ 2 comments… read them below or add one }
Are the hardware requirements for the server identical to the hardware requirements for the client?
Yes, unless you have a large number of users. Then the server requires more memory.