Get a cape resource pack or cape mod that supports custom capes
Install the required mod loader if the cape mod needs one
Download the custom cape image in the correct format
Make sure the cape image matches the mod’s required size and file type
Place the cape file in the folder specified by the mod or resource pack
Open Minecraft and enable the resource pack if needed
Launch the game with the mod installed
Equip or assign the cape through the mod’s settings or configuration menu
Join a world or server that allows custom capes
Verify the cape is visible on your character
Use a client-side cape mod if you only want to see it locally
Use a server-supported cape plugin or mod if you want others to see it too