To run the latest professional patches smoothly, ensure your PC meets these standards: FWsim Pro v4

Visit FWSim.com to access the latest stable builds.

Early 2026 reports indicated that effects with long particles (like tails) could disappear prematurely if there was no more music . The updated patch (v4.2.2.3 and later) fixes this, ensuring the visual experience matches the audio.

To run high-density firework simulations smoothly without frame drops, your computer should meet or exceed the following specifications: Minimum Requirements Recommended Settings Windows 10 (64-bit) Windows 11 (64-bit) Processor Intel Core i5 / AMD Ryzen 5 Intel Core i7 / AMD Ryzen 7 Memory (RAM) 16 GB or 32 GB RAM Graphics Card Dedicated GPU with 2GB VRAM NVIDIA RTX / AMD Radeon with 6GB+ VRAM Storage 2 GB available space NVMe M.2 SSD (e.g., 2242/2280 form factor) How to Safely Download and Update FWSim Pro

: New support for firing systems like SBC , Jingduan , and FS Mexico .