If you are currently setting up a custom optimization profile, tell me you plan to run alongside Francium, or if you are encountering any specific error logs or crashes during your game startup. Share public link
This is the central mystery of the file name. The original Francium mod is fundamentally a mod. Your file, Francium-Client-Mod-Fabric-1.20.4.jar , explicitly states it's for Fabric and for 1.20.4 , which is a newer version. File name- Francium-Client-Mod-Fabric-1.20.4.jar
Because .jar files are capable of executing localized code on your operating system, always verify the source of your download. If you are currently setting up a custom
: Press Win + R , type %appdata%\.minecraft , and press Enter. Your file, Francium-Client-Mod-Fabric-1
Smooths out frame spikes for a more consistent experience.
I'll need to gather more details about installing Fabric mods. I already have the Fabric Wiki pages. Let's open the Fabric installation guide.'s open a cleaner version of the Fabric mod installation guide. search results are not showing a Fabric version of Francium. I should also check if there's a mod called "Francium Client" on Modrinth that is a Fabric mod. Let's search Modrinth's API.'s open the Modrinth page for AnOpenSauceDev. user's profile shows "Francium" as a Forge mod. So still no Fabric version.