Operating systems › Microsoft Windows › Windows XP
Windows XP
2001
The hugely popular 2001 release built on the stable Windows NT kernel, unifying the consumer and business Windows lines.
Reference & documentation
External technical references for programming Windows XP and for writing emulators.
| Resource | Type | Notes |
|---|---|---|
| Microsoft PE Format Specification ↗ | Format | Canonical PE/COFF executable format used by ReactOS |
| NTFS On-Disk Format Specification (libfsntfs) ↗ | Format | Byte-level MFT, attribute and data-run layout |
| Intel 64 and IA-32 Software Developer Manuals ↗ | Instruction set | x86-64 instruction set and system programming manuals |
| Windows X86 System Call Table (NT/2000/XP/...) ↗ | Interrupt list | Every ntoskrnl syscall ID across XP builds |
| Windows API index (Win32, Microsoft Learn) ↗ | Programming | Full Win32 API reference index |
| Windows XP Professional (Build 2600) ISO ↗ | ROMs | First public RTM XP install image |
| Geoff Chappell: Native API Functions ↗ | Reference | Native ntdll functions with per-version availability table |
| windows-syscalls (j00ru GitHub) ↗ | Reference | Syscall tables as CSV/JSON for tooling |
| ReactOS Source Code (GitHub) ↗ | Source | Full NT-compatible OS source: ntoskrnl, hal, drivers |