Install the Java Edition of Minecraft
Check your Minecraft version
Install a mod loader like Fabric, Forge, or NeoForge
Download mods that match your game version and mod loader
Install the mod loader on your computer
Open the Minecraft launcher and select the modded profile
Run the game once to create the needed folders
Put the mod files into the `mods` folder
Install any required dependencies for the mods
Launch Minecraft and test the mods
Back up your worlds before adding or removing mods
Remove incompatible mods if the game crashes
Keep mods, loader, and Minecraft updated together