Released in July 2025, iCEnhancer 4.0 is a long-awaited ENB mod that transforms Grand Theft Auto IV into a visually stunning experience. Built from the ground up using physically-based lighting, volumetric fog, multi-layered clouds, and enhanced shaders, this mod finally delivers what many call the “GTA IV remaster we never got.”
But before you cruise through Liberty City in cinematic glory, you’ll need to make sure your PC can keep up. Here’s a complete breakdown of system requirements, optimization tips, and compatibility fixes to help you run iCEnhancer 4.0 smoothly in 2025.
🖥️ iCEnhancer 4.0 System Requirements (2025)
This mod pushes the original RAGE engine to its limits. You’ll need strong hardware and the correct GTA IV version to enjoy it without hiccups.
✅ Minimum (720p, Low Settings)
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OS: Windows 10/11 (64-bit)
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CPU: Intel Core i5-4690 / AMD Ryzen 3 1200
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GPU: NVIDIA GTX 970 / AMD RX 570 (4GB VRAM)
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RAM: 8 GB
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GTA IV Version: 1.0.4.0 (use a downgrader if on Steam)
✅ Recommended (1080p, High Settings)
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OS: Windows 11 (latest updates)
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CPU: Intel Core i7-8700K / Ryzen 5 3600
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GPU: RTX 2060 / RX 6600 XT (8 GB VRAM for SSAO and reflections)
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RAM: 16 GB
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Storage: SSD (helps reduce pop-in and load stutter)
✅ 4K / Ultra (Enthusiast Tier)
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CPU: Intel Core i9-12900K / Ryzen 7 5800X3D
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GPU: RTX 3080 / RX 6800 XT (12+ GB VRAM)
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RAM: 32 GB
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Cooling: Recommended due to ENB load
🔧 Note: iCEnhancer 4.0 only works with GTA IV 1.0.3.0 or 1.0.4.0. Use the Downgrade Tool for compatibility.
⚙️ Optimization Tips – ENB & Performance
✔️ Install DXVK for Better Stability
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Converts DirectX 9 to Vulkan, easing CPU/GPU load
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Greatly improves performance on AMD GPUs and older CPUs
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Compatible with Fusion Fix and ENB
✔️ Tweak ENB Settings (enbseries.ini)
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Lower or disable SSAO, Depth of Field, or Motion Blur
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Use “Performance” config presets if included with the mod
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Turn off Night Shadows for a major FPS boost
✔️ Pair with Fusion Fix & ZolikaPatch
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Fusion Fix: Improves memory usage, cuts shader bugs, and adds SMAA
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ZolikaPatch: Unlocks frame rate, removes stuttering, and enables mod loader
✔️ Apply Windows Tweaks
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Enable Hardware-Accelerated GPU Scheduling
(Settings > System > Display > Graphics > Change Default Settings) -
Right-click
GTAIV.exe→ Properties → Compatibility:-
Run as administrator
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Disable fullscreen optimizations
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🧯 Troubleshooting Common Issues
❌ Game Crashes on Launch
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Confirm you’re using 1.0.4.0 or 1.0.3.0, not Steam’s default
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Delete duplicate or broken
d3d9.dllfiles -
Reinstall ENB and shaders using the official 4.0 July 2025 release
❌ Flickering Textures or Lighting Glitches
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Lower shadow resolution or disable extra ambient occlusion
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Avoid combining with older ENB presets or reshades
❌ Low FPS Despite Strong Hardware
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Disable Xbox Game Bar, GeForce Overlay, or Discord overlays
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Set power plan to High Performance in Windows settings
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Consider using ENBoost to manage VRAM usage if stuttering persists
❓ GTA IV Remaster Incoming? Why This Mod Still Wins
With rumors of an official GTA IV remaster circulating, iCEnhancer 4.0 proves that the modding community continues to outshine Rockstar in visual fidelity. From its dynamic weather system to cinematic night lighting, it rivals even GTA V’s visual experience—and it’s completely free.
“This is what Liberty City should’ve looked like in 2013. Unreal work.”
— Reddit user u/NeoLiberty94
✅ Final Thoughts – Is Your PC iCEnhancer Ready?
If you’ve got the hardware, iCEnhancer 4.0 is one of the most impressive mods of 2025, transforming the gritty streets of Liberty City into a photorealistic masterpiece. Whether you’re returning for nostalgia or playing for the first time, this is the ultimate way to experience GTA IV today.
Just make sure your GTA IV is downgraded, DXVK is installed, and you’ve tuned your ENB settings wisely.
💬 Need Help or Want to Share Your Setup?
Join the iCEnhancer 4.0 Discord to troubleshoot issues, get install support, and post your before/after screenshots.
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