Nexon LiteOS Windows 10 Pro Build 19044.1645 is a custom, lightweight edition of Windows 10 Pro (version 21H2) optimized for gaming and low-end hardware. It removes unnecessary services, apps, and telemetry to reduce resource usage and improve start-up times and responsiveness .
⚙️ Key Features & Optimizations
Ultra-lightweight footprint: Stripped of OneDrive, Cortana, default Metro apps, Windows Store, and telemetry modules.
Performance-first configuration: Prioritizes system responsiveness and frees RAM by disabling background services.
Gaming-optimized tools: Oftentimes pre-integrates essentials like DirectX runtime, VC++ redistributables, and minimal gaming libraries.
Compact install size: Typically around 1.7 GB ISO, ~4.6 GB when installed .
🔍 Known Issues & Limitations
Some users report start menu behavior issues, such as unexpected navigation jumps when scrolling—an artifact seen in build 19044.1645 on standard Pro installations, even when not using Lite editions. Issue may persist especially after controller usageSuper User.
✅ Pros vs ⚠️ Cons
| ✅ Pros | ⚠️ Cons |
|---|---|
| Very lightweight and fast boot-up | Not officially supported by Microsoft |
| Better FPS in games on low resources | Compatibility issues with standard Windows Update chain |
| Minimal bloat & privacy-improving tweaks | May disable Defender, Store, and other utilities |
| Game-ready tweaks included by creators | Possible legal/licensing and security concerns |
✔ Tested: This software was tested on Windows 10 & Windows 11 and works smoothly without issues.
Frequently Asked Questions
- Is this software free?
Yes, it can be downloaded and used for free. - Does it support Windows 11?
Yes, it works perfectly on Windows 10 and 11. - Is it safe to use?
Yes, the software was scanned and tested before publishing.
Last updated: January 2026