The ultimate all-in-one toolkit for The Sims 4
Unlock all DLCs, boost performance, manage mods, and more. Join thousands of Simmers!
Everything you need to enhance your Sims 4 experience
Unlock all expansion packs, game packs, stuff packs, and kits instantly
Optimize game performance with one-click settings for smoother gameplay
Organize, enable, and disable mods with our easy-to-use manager
Step-by-step video guides for installation and troubleshooting
Choose your preferred download method
v1.4.0 • January 2026
Requires .NET Framework 4.8
Step-by-step guides to help you get started
Find answers to common questions
Yes! The toolkit is completely safe. It doesn't contain any viruses or malware. We recommend downloading only from our official website. Your antivirus might flag it as a false positive due to the nature of the tool.
Yes! The toolkit is completely open source, you can check it in my GitHub (Leuansin). You can also submit your modifications!.
Yes, you need The Sims 4 base game installed from EA App or Steam. The toolkit helps you unlock and manage DLCs for your existing game installation.
Make sure you've installed the DLC Unlocker and that The Sims 4 was completely closed during installation. Restart the game after installation. If issues persist, try running the toolkit as administrator.
Yes! The toolkit is fully compatible with mods. Just make sure your mods are updated for the current game version. Enable mods in game settings after installation.
Simply download the latest toolkit version from our website and run it. It will automatically update your installation. The toolkit also checks for updates on startup.
Leuan is the creator of this toolkit, he's quite a known modder in some communities such as Left 4 Dead 2 or Project Zomboid, creating wonderful mods that reached almost 100k downloads!... One of them named 'Just Drugs - DLC' on Steam. He also has made mods for Stranded Deep, SA:MP, Green Hell and CS:2. His GitHub is: Leuansin and his Discord is: 'leuan'
Be part of thousands of Simmers using our toolkit
Special thanks to everyone who supports this project. Your contributions keep the toolkit free for everyone!
View SupportersLove the toolkit? Consider buying me a coffee! Every donation helps maintain and improve the project.
Buy me a Coffee"Building a community where everyone can enjoy The Sims 4 to its fullest potential."
— Leuan