| Feature | Optimum 10 Pro v5.1 | | :--- | :--- | | Base OS | Windows 10 Pro 22H2 (Build 19045) | | Defender Status | Fully Removed (Optional reinstall tool included) | | Windows Update | Disabled by default (Can be re-enabled via toolbox) | | Store & Apps | Microsoft Store present, but no bloatware pre-installed | | Dark Mode | Enabled by default | | Net Framework | 3.5 and 4.8 pre-installed | | Virtual Memory | Optimized for SSDs and HDDs | Tai xuong- -Windows X-Lite- Optimum 10 Pro v5.1...

Key Features of v5.1

• Size: ~1.8 GB ISO (vs. 4–5 GB for stock Windows 10)
• RAM usage at idle: 600–900 MB (compared to 2–2.5 GB for stock)
• Process count: ~30–40 background processes
• Disk space after install: ~7–9 GB
• No Windows Defender (removable — some builds include a disable option)
• No Edge, OneDrive, Cortana, Windows Store (Store can be reinstalled via included tool)
• All updates can be paused until 2040 (or permanently disabled)
• Full Aero Glass, themes, and sound schemes retained despite leanness
• DX9–12, .NET Framework 3.5/4.8, VC++ Runtimes pre-integrated

Windows X-Lite: Optimum 10 Pro v5.1 a custom, highly optimized "lite" version of Windows 10 (22H2) designed by developer Tai Xuong Windows X-Lite Optimum 10 Pro v5

• You need enterprise security (Defender, Firewall, BitLocker).
• You rely on Windows Store apps or Edge.
• You want automatic updates and a “set and forget” system.
• You use shared network printers often.

Original Aesthetics: Reverted themes to the original Windows 10 look for better stability. Partitioning: | Feature | Optimum 10 Pro v5

Avoid this build if:

• You handle sensitive financial or work data.
• You are a beginner who cannot troubleshoot driver or missing DLL errors.
• You rely on Microsoft's ecosystem (OneDrive, Family Safety, etc.).