How do you use mods in powder toy?

To use mods in The Powder Toy, first, download the mod file, which usually has a .tpt extension. Place the mod file in the "mods" folder located in the game's directory. Launch The Powder Toy and navigate to the "Mods" menu to select and enable the mod you want to use. After enabling, you can start a new simulation to explore the added features or elements.