Install Minecraft Java Edition
Install the correct version of Java if required
Choose a mod loader like Fabric, Forge, or NeoForge
Download the mod loader for your Minecraft version
Run the installer and select Install Client
Open Minecraft once with the mod loader profile
Download mods that match your Minecraft version and mod loader
Open the Minecraft folder
Place the mod files into the mods folder
Launch Minecraft using the mod loader profile
Check for missing dependencies if the game fails to start
Keep backups of your worlds before adding or removing mods
Update mods and the mod loader together when changing versions