1. Pick the right file
Open the project on Modrinth and choose the file that matches your Minecraft version and loader.

Use Modrinth as the main source for Ion Forge files, supported Minecraft versions, loaders, and required dependencies.
Match the file to your Minecraft version and loader, then install every dependency listed on that project file.
Open the project on Modrinth and choose the file that matches your Minecraft version and loader.
Use the dependencies shown on Modrinth for that exact file. Do not mix dependency versions from older releases.
Launch once in a fresh or copied instance before adding extra mods, shaders, or resource packs.
Install modpacks through a launcher that supports Modrinth packs, such as Modrinth App or Prism Launcher.
Download from Modrinth, import the pack through your launcher, and let the launcher install the included mod list. Avoid manually replacing mods until the pack has launched once.
Open Craft & Conquer on ModrinthDownload from Modrinth and install it as a NeoForge modpack. Keep the listed dependencies and bundled mods together so Cobblemon and Create content load correctly.
Open Cobbled Ultra on ModrinthStandalone mods go in the mods folder for the correct loader. Always check Modrinth dependencies before launching.
Download the matching Fabric file from Modrinth, install any listed dependencies, and test with the tree types in your modpack.
Open Tree FallDownload the matching Fabric file from Modrinth, install dependencies listed for that file, and test crops from both vanilla and modded farming packs.
Open Quick HarvestDownload from Modrinth or CurseForge, match the Minecraft version, and install any required loader dependencies listed on the file page.
Open Craft CodexDownload from Modrinth, install dependencies shown there, and test the block inventory, upgrades, and hopper behavior in a copied world first.
Open Crop InfuserDownload the NeoForge file from Modrinth and install the Cobblemon/Cobbreeding setup required by the file page before testing egg timers.
Open HatchWatchDownload from Modrinth, match the listed Minecraft version, install required dependencies, and test ore generation in a new or copied world.
Open IoniteSome resources are not normal downloadable mod files.
Ion API is available now through the public website. Use it for API docs, integration notes, and developer-facing references.
Open Ion APIIon Quests is still under review. Download instructions will be added once the public project page is available.
Most launch issues are version stack problems.
Check Minecraft version, loader version, Fabric API requirements, and each project version.
Compare the client and server mods folders. Missing required mods usually show up in logs.
Start from the download matrix and match the Minecraft target before downloading.
Back up worlds and test updates in a copied instance before going live.