In the Theme library section, click Add theme > Upload zip file .
To add a feature to a Shopify premium theme from a .zip file, you first need to the theme file to your Shopify admin . Once installed, you can create new features using the theme editor's "sections" and "blocks" framework. 🛠️ Uploading Your Premium Theme shopify premium themes.zip
Click into any existing section (like a "Image with text" section). In the Theme library section, click Add theme
Under the Sections folder, click Add a new section . In the Theme library section
Sometimes premium theme downloads contain a "main" folder. Ensure you are uploading the specific .zip file found inside that folder (often named something like theme-name-v1.0.zip ).