Windows PowerShell 1.0 Release Candidate 2 currently supports Windows XP Service Pack 2 and Windows Server 2003. The .NET Framework 2.0 is required in order to install Windows PowerShell. Remember to download the Windows PowerShell Documentation Pack that includes a Getting Started Guide, Quick Reference chart and a 100+ page Windows PowerShell primer.
Windows PowerShell is supported on multiple platforms (x86, x64 & Itanium) and by multiple language technologies (English language, Localized and Multilingual User Interface).
Platform
x86
English-Language Package for Windows XP
Localized Package for Windows XP
Multilingual User Interface (MUI) Package for Windows XP
x64
English-Language Package for Windows XP x64
Localized Package for Windows XP x64
Multilingual User Interface (MUI) Package for Windows XP x64
English-Language Package for Windows Server 2003 SP1
Localized Package for Windows Server 2003 SP1
Multilingual User Interface (MUI) Package for Windows Server 2003 SP1
English-Language Package for Windows Server 2003 for x64
Localized Package for Windows Server 2003 for x64
Multilingual User Interface (MUI) Package for Windows Server 2003 x64
Itanium-based
English-Language Package for Windows Server 2003 SP1 for Itanium
Localized Package for Windows Server 2003 for SP1 Itanium
Multilingual User Interface (MUI) Package for Windows Server 2003 SP1 Itanium