The specific version 19045.3757 corresponds to Windows 10 (build .3757 is a real security update build from late 2023). The “Micro 10 SE” tag implies an extreme lightweight edition, and x86 means it can run on 32-bit-only processors (think Intel Atom Z-series, old Pentium 4, etc.).
is a custom, ultralight operating system based on Windows 10 22H2 Pro . Created by developer FBConan , this specific build is designed for maximum performance on older, low-resource hardware, particularly machines utilizing 32-bit (x86) architecture. Overview of Windows X-Lite Micro 10 SE Windows X-Lite -19045.3757- Micro 10 SE -x86- d...
It looks like you're referencing a custom Windows build — likely from a community forum like TeamOS or a similar enthusiast site. These "X-Lite" editions are unofficial, stripped-down versions of Windows 10, designed to run on low-end hardware (hence the architecture and Micro SE label). The specific version 19045