To download from GitHub to Kodi, you will need to download the .zip file from GitHub.com and then unzip the file. Once you have unzipped the file, you will be able to find the .mp4 file inside the folder. You will then need to open Kodi and go to the Add-ons section and click on the Install from zip file option. Once you have clicked on the Install from zip file option, you will be able to find the .mp4 file that you unzipped and then you will be able to click on the file to install it.