x64 port of Microsoft Word for Windows 1.1a arrives — you can now run this seminal 1990 word processor natively in Windows 11

A developer known as JMarshall23 has successfully ported Microsoft Word for Windows 1.1a to x64 architecture, enabling it to run natively on Windows 11 systems. This achievement is particularly noteworthy as it utilizes the original source code and resources, complemented by modern adaptations to overcome the limitations of the 16-bit assembly and segmented-memory architecture that characterized the earlier Win16 platform. The developer has also included additional features intended for research purposes.

Reviving a Classic

Originally launched over 25 years ago, Microsoft Word for Windows 1.1a represented a significant turning point in the word processing landscape. It introduced innovative features such as WYSIWYG (What You See Is What You Get) editing, the ability to incorporate graphics, and table insertion, effectively transitioning users from DOS-based applications like WordPerfect to a more user-friendly Windows environment. This version of Word was designed to be efficient, capable of running on CPUs with single-digit MHz speeds and requiring as little as 1MB of RAM.

WinWord won (Image credit: The Computer History Museum (CHM).)

Another intriguing aspect of this release is that Microsoft has made the source code publicly available. Interested developers can access a comprehensive 7MB bundle containing C source files, x86 assembly, build tools, and documentation through the Computer History Museum (CHM). This repository comprises 1,021 files organized into 33 folders, serving as the foundation for JMarshall23’s porting efforts.

To build and run this version of Word, users will need the Windows 11 SDK, which can be installed via Visual Studio, along with CMake 3.25 or newer and PowerShell. Detailed instructions are provided on GitHub for those eager to explore this classic software in a modern context.

While the potential for further developments stemming from this x64 port remains to be seen, it is important to note that the code release from Microsoft is governed by a license that permits only non-commercial use. This stipulation restricts the redistribution of the software, ensuring that it remains a unique piece of computing history.

Winsage
x64 port of Microsoft Word for Windows 1.1a arrives — you can now run this seminal 1990 word processor natively in Windows 11