Thread — Leuan's ToolKit Community

📅 January 12, 2026 · 14:32

#1

Hey Simmers! 👋 v1.4.0 is finally here and it's the biggest update to date. Here's everything that changed:

🎮 DLC Unlocker

Now supports all 106+ DLCs and Kits including the latest Businesses & Hobbies expansion
New auto-scan feature — detects your game install path automatically
Fixed an issue where some kits weren't being applied after re-launch

⚡ FPS Booster

Completely rewritten from scratch — up to 30% better performance on mid-range PCs
New preset system: Low / Medium / High / Ultra
Now applies changes without restarting the game

🔧 Mod Manager

Added batch enable/disable for mod groups
Conflict detector now highlights incompatible mods in red
Backup & restore your mod folder before applying changes

💡 Pro tip: Run the toolkit as Administrator on Windows for the best results. Some antivirus may flag the patcher — this is a false positive.

📦 Download

LTK-v1.4.0.exe
SHA256: a3f7c2e1...
Size: 12.4 MB
Requires: .NET Framework 4.8

⚠️ Important: Close The Sims 4 completely before running the installer. If the game is running, the DLC unlock will not apply correctly.

As always, this is 100% free and open source. Source code is on GitHub (Leuansin). Enjoy! 💚

📅 January 12, 2026 · 15:01

#2

Omg I've been waiting for this!! The FPS booster was so needed, my potato PC was dying 💀 Just installed it and the difference is insane. Thank you so much Leuan!! 💚

📅 January 12, 2026 · 15:45

#3

↩ Leuan said:

Completely rewritten from scratch — up to 30% better performance on mid-range PCs

I can confirm this — tested on my i5-9600K + GTX 1060 and went from ~38fps to ~51fps in a full household. That's massive! The batch mod enable/disable is also a game changer for testing cc hauls.

📅 January 12, 2026 · 17:10

#4

↩ ModdedMaya said:

went from ~38fps to ~51fps in a full household

That's awesome to hear!! Those numbers are pretty much exactly what I was targeting for mid-range. If you try the Ultra preset, you might squeeze out a few more frames — it disables some of the background Sim AI ticks while you're off-lot.

Let me know if the conflict detector catches anything weird with your modlist! That feature is still pretty new 🙏

🎮 DLC Unlocker

⚡ FPS Booster

🔧 Mod Manager

📦 Download

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