Windows Fundamentals for Legacy PCs

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Windows Fundamentals for Legacy PCs
Version of Microsoft Windows
OS familyWindows NT
Preliminary name
Latest build
Release date2006-07-08
Support end2014-04-08
Based on
Windows XP Embedded
Replaced by
Windows Thin PC

Windows Fundamentals for Legacy PCs (also known as Windows FLP) is a lighter version of the Windows XP operating system developed by Microsoft, and is designed for business users with older hardware. Many components of the operating system are optional, tailoring to specific needs.

Windows FLP was released to manufacturing in 2006-07-08 and was intended for Microsoft Software Assurance users who were still running Windows 9x (or Windows NT 4.0 or Windows 2000) to upgrade to Windows XP, without having to change hardware (such as memory or the CPU). It had a successor known as Windows Thin PC.

WinFLP uses Service Packs for Windows Embedded.

The only legal way to obtain the OS is through Microsoft's Software Assurance program.



  • Remote Desktop
  • Windows Media Player 10
  • Internet Explorer

Removed (from Windows XP)[edit]

  • Paint
  • Backgrounds
  • Screensavers
  • Games
  • Out of the box experience
  • Windows Product Activation

Supported (as updates)[edit]




Service Pack 3[edit]