1/ Download the package from themeforest.net (the file is in zip format) 2/ Extract the file you’ve just downloaded. 3/ Find this file: ella-4.1.0-sections-ready.zip in the folder New Ella Sections Ready 4.1.0, then you just need to upload ella-4.1.0-sections-ready.zip file to your Shopify store. If you want to install child theme, please go to the corresponding theme folder.