Microsoft Word for Windows 1.1a, Native X64 Port
A developer has created a native 64-bit port of Microsoft Word 1.1a for modern Windows systems. The project reconstructs the original application using modern C++ and CMake, allowing it to run on Windows 10 and 11 without emulation.
Why it matters
This project demonstrates advanced software preservation and reverse engineering techniques, allowing legacy software to function on modern hardware architectures.
This project is a fully working native Windows x64 port of Microsoft Word for Windows 1.1a, whose historical codename was Opus . It builds the original Word source and resources together with modern replacements for the 16-bit assembly, segmented-memory, and Win16 platform boundaries.
The result is the original Word application and user experience running as a 64-bit Windows executable. This is not an emulator or a reimplementation using a modern editor control.
64-bit Windows Visual Studio 2022 with Desktop development with C++ A Windows 10 or Windows 11 SDK installed through Visual Studio CMake 3.25 or newer PowerShell Build and run Clone the repository, configure the included CMake preset, and build it from a PowerShell prompt:
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