1. Download the Theme Package
After buying our theme, please download the theme package from Theme Forest. Then you will get the theme file that looks like my image below:

2. Extract the Theme Package
After downloading the theme package, please extract the package which you downloaded here: https://themeforest.net/downloads
You cannot upload the download file right away to your store, otherwise, you will get the issue below:

After unzipping the theme package, you will get the folders in the image below:
Then please open the Kalles v3.0.0 (extract first), we have more folders and files:

There are 2 separate versions of the Kalles theme here:
1. Kalles version 2.7.4: for customers who used the Kalles version 2.x.x and want to upgrade the theme to the latest version 2.7.4. (Do not have time to configure the store on Shopify 2.0 yet).
2. Kalles version 3.0.0 (Support OS2.0): for new customers or customers who want to use Kalles OS2.0 (Support Shopify 2.0). When using this version, you cannot update the theme from Kalles 2.x.x, you need to be re-configure your store from the beginning. So please feel free to choose the versions that you want to use, start installing them and launch your project.
3. Upload the theme file
Step 1: In Shopify Backend, please click “Online Store” > Theme > Theme Library > Add theme button.
Step 2: Click the ‘Upload zip file‘ button.

Step 3: In the ‘Upload theme‘ popup > Click the Add file button > Choose the theme file > ‘Upload File‘ button.

Step 4: Click the ‘Customize‘ buttonĀ to customize the theme follow what you want.

You also can watch this tutorial video for more: