Because modern Windows 10 versions are typically 64-bit and Lotus 1-2-3 often requires a 32-bit or DOS environment, getting it to run requires specific workarounds. Methods for Running Lotus 1-2-3 on Windows 10 1. Compatibility Mode (For Windows Versions)
Windows 10 is a 64-bit operating system that has dropped support for the 16-bit subsystems present in 32-bit versions of Windows XP and earlier. Lotus 1-2-3 releases 1.x through 3.x are 16-bit applications. Consequently, attempting to launch a 16-bit Lotus executable on 64-bit Windows 10 yields the error: “This app can’t run on your PC.” Even the last 32-bit version (Lotus SmartSuite Millenium Edition, release 9.8) suffers from graphical glitches, broken printing, and failure to register OLE components due to deprecated security models and missing 16-bit installer stubs. lotus 123 windows 10
Mount your Lotus directory by typing MOUNT C C:\LOTUS123 (adjust the path to your folder) in the DOSBox prompt. Navigate to the mounted drive and run 123.exe . Because modern Windows 10 versions are typically 64-bit