File Name- Jenny-makima-addon-mcpe-1.21.mcaddon -

Installing an .mcaddon file in version 1.21 is straightforward. Follow these steps carefully to avoid crashes:

But the file was still in the behavior_packs folder. He couldn’t delete it. Windows said it was “open in another program.” File name- Jenny-Makima-Addon-MCPE-1.21.mcaddon