Assuming you have obtained a legitimate, SFW version of this .mcaddon or .mcpack file for your portable device, here is the golden installation guide.
The term behavior in the filename dictates how a user must install the file. file name jennymikochanaddonmcpebehavior portable
The file name identifies a specific "Behavior Pack" for Minecraft Pocket Edition (MCPE). Assuming you have obtained a legitimate, SFW version of this
Be cautious when downloading files with this name from unofficial third-party sites. Because these mods often contain mature themes or unofficial scripts, they are not hosted on the official Minecraft Marketplace. Always scan .zip or .mcpack files for malware before moving them into your game directories. Assuming you have obtained a legitimate