By Mark Tyson
Publication Date: 2026-08-09 13:40:00
A developer has ported Microsoft Word for Windows 1.1a to x64 so it can now run natively on Windows 11 PC systems. JMarshall23 on GitHub stresses that this is a fully working native Windows x64 port using “original Word source and resources together with modern replacements for the 16-bit assembly, segmented-memory, and Win16 platform boundaries.” It also includes some extra features for “research purposes.” Microsoft Word for Windows 1.1a was originally released over a quarter of a century ago.
This release of Word marked a milestone in the word processing market, as it pioneered genuinely useful feature additions like WYSIWYG editing, graphics, and table insertion on Windows. It would spearhead the momentum in shifting users from DOS productivity monsters like WordPerfect to complete dominance in Windows-land. Word for Windows 1.1a added all its frills while remaining very efficient, running on systems with CPUs that ran in single-figure MHz speeds, and with as little as…



