Windows 10X May ‘Likely Never Arrive’, Microsoft Focussing on Windows 10: Report Windows 10X is reportedly on the back burner for now, and all the resources have been shifted to Windows 10 for now. By Tasneem Akolawala | Updated: 10 May 2021 19:05 IST Windows 10X is an operating system that was built for dual-screen devices Highlights Microsoft has reportedly shelved Windows 10X for now Windows 10 Sun Valley project is expected to ship later this year Windows 10X, an operating system for dual-screen devices, was announced in October of 2019 at Microsoft's dedicated Surface event. The operating system was slated to release in 2020, but that didn't happen. Last year, the company announced that it will be shifting its plans for Windows 10X a bit and will release it for single-screen devices first. Now, a fresh report suggests that Microsoft may be shelving Windows 10X completely, and bring some of the features that were developed specifically for Windows 10X, on to Windows 10 proper.