Based on leaks and industry patterns, a Windows 12 announcement could happen in late 2025 or early 2026. A public ISO would follow shortly after. Microsoft has stated they are "returning to a three-year release cycle" for major Windows versions, meaning 2024 would be Windows 11 24H2, and 2027 would be Windows 12. However, AI competition (Google, Apple) might accelerate that timeline.
: The term "Windows 12.1" largely originates from "Mockupverse" wikis and fan-made concept videos that speculate on future UI changes like floating taskbars and macOS-style docks. Windows 11 - release information - Microsoft Learn windows 12.1 iso file
However, I must emphasize that:
If you’re excited about the future of Windows and want to test cutting-edge features today, you have legitimate options. These won’t be called "Windows 12.1 ISO," but they represent Microsoft’s actual development path. Executive Summary A: Based on leaks and industry