Operating systemsMicrosoft Windows › Windows 11

Windows 11

2021

The 2021 release with a centred taskbar and redesigned interface, imposing stricter TPM and hardware requirements.

Reference & documentation

External technical references for programming Windows 11 and for writing emulators.

ResourceTypeNotes
Microsoft PE Format Specification ↗FormatCanonical PE/COFF executable format used by ReactOS
NTFS Documentation (Russon & Fledel) ↗FormatNTFS on-disk MFT and attribute structures
Windows x64 NT System Call Table ↗Interrupt listSyscall numbers across every NT x64 build
x64 ABI Conventions (Microsoft) ↗Memory mapRegister usage, type/storage layout, stack, alignment
NTAPI Undocumented Functions ↗ProgrammingNative Nt/Zw API and kernel structures reference
x64 Calling Convention (Microsoft) ↗ProgrammingRegister/stack argument passing and return values
Windows 11 ISO Download (official) ↗ROMsOfficial bootable OS disk images from Microsoft
Geoff Chappell: Kernel-Mode Windows ↗ReferenceDeep ntoskrnl internals, exports, structures, versions
windows-syscalls (j00ru GitHub) ↗ReferenceSyscall tables as CSV/JSON for tooling
ReactOS Source Code (GitHub) ↗SourceFull NT-compatible OS source: ntoskrnl, hal, drivers