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Maksym
Maksym

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How to Download Shopify Theme & Start Development

#shopify #frontend #liquid #webdev

This guide was born from real frustration. I started with a simple question: "How do I download a Shopify theme and start developing?" What seemed like a straightforward task quickly became a journey through error messages and CLI confusion.

First, I hit the classic 404 GraphQL error when trying to connect to my dev store. Then came the cryptic "Couldn't find an app toml file" message because I was using the wrong commands. Each error led to research, troubleshooting, and eventually, solutions.

Rather than letting this knowledge scatter across browser tabs and terminal history, I decided to consolidate everything I learned into one comprehensive resource. This guide represents the path I wish I had when I started—covering not just the happy path, but the real issues developers encounter and how to solve them.

If you're reading this, you're probably facing similar challenges. I hope this guide saves you the hours of trial and error I went through.

Introduction

This comprehensive guide will walk you through downloading a Shopify theme, setting up your development environment, and troubleshooting common issues.

Prerequisites

Before you begin, ensure you have:

  • Node.js (latest LTS version) installed
  • A code editor (VS Code recommended)
  • Staff access or owner permissions on your Shopify store
  • An active Shopify store (not paused or frozen)

Step 1: Install Shopify CLI 

npm install -g @shopify/cli @shopify/theme
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Verify installation:

shopify version
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Step 2: Authenticate With Your Store 

shopify auth login
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This opens a browser window where you'll log into your Shopify store and grant access to the CLI.

Important: If you encounter authentication issues later, you can re-authenticate:

shopify auth logout
shopify auth login
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Step 3: Download Your Shopify Theme

Method 1: Using Shopify CLI (Recommended)

Navigate to your project directory and pull your theme:

# Navigate to your project folder
cd /Users/your-username/your-project-folder

# Pull theme from your store
shopify theme pull --store=your-store.myshopify.com
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This command will:

  • Show you a list of available themes on your store
  • Let you select which theme to download
  • Download all theme files to your current directory

Method 2: Download from Shopify Admin

  1. Log into your Shopify admin panel
  2. Go to Online Store > Themes
  3. Find the theme you want to work on
  4. Click the Actions button (three dots)
  5. Select Download theme file
  6. Extract the downloaded .zip file to your project directory

Method 3: Start Fresh with Dawn Theme

If you're starting a new theme or want to use Shopify's reference theme:

# Initialize a new theme
shopify theme init

# Select "Dawn" when prompted
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Or clone directly from GitHub:

git clone https://github.com/Shopify/dawn.git
cd dawn
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Step 4: Understanding Theme Structure

Your downloaded theme will have this structure:

your-theme/
├── assets/          # CSS, JS, images, fonts
├── config/          # Theme settings and configurations
├── layout/          # Base templates (theme.liquid)
├── locales/         # Translation files for internationalization
├── sections/        # Reusable, customizable sections
├── snippets/        # Reusable code blocks
└── templates/       # Page templates (product, collection, etc.)
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Key files to know:

  • layout/theme.liquid - The main wrapper for all pages
  • config/settings_schema.json - Theme customization options
  • sections/*.liquid - Dynamic, customizable content blocks
  • templates/*.json - Page structure definitions

Step 5: Start Development Server 

shopify theme dev --store=your-store.myshopify.com
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This command:

  • Creates a local development server
  • Provides a preview URL (usually http://127.0.0.1:9292)
  • Enables hot reload (changes appear instantly)
  • Creates a development theme on your store

Access your development preview:

  • Local: Open the URL shown in your terminal
  • Shopify: Go to Online Store > Themes and find your development theme

Common Issues & Troubleshooting

Error: "Couldn't find an app toml file"

Problem: You're using app commands instead of theme commands.

Solution: Always use shopify theme commands for theme development:

# Correct commands for themes
shopify theme pull
shopify theme dev
shopify theme push

# NOT these (these are for app development)
shopify dev
shopify deploy
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Error: "404 Not Found" or GraphQL Connection Error

Possible causes and solutions:

  1. Incorrect store URL format

    • Use: your-store.myshopify.com
    • Don't use: https://your-store.myshopify.com or custom domains

  2. Authentication expired

   shopify auth logout
   shopify auth login
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  1. Insufficient permissions

    • Ensure you're the store owner or have staff access
    • Collaborators need "Themes" permission enabled
    • Check: Shopify Admin > Settings > Users and permissions

  2. Store not active

    • Verify your store isn't paused or frozen
    • Check your store status in Shopify admin

  3. Outdated Shopify CLI

   npm update -g @shopify/cli @shopify/theme
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  1. Specify store explicitly 
   shopify theme dev --store=your-store.myshopify.com
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Alternative: Using Theme Kit (Legacy Tool)

If Shopify CLI continues to fail, you can use Theme Kit:

# Install Theme Kit
gem install theme_kit

# Download theme
theme get --password=[your-private-app-password] --store=your-store.myshopify.com
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To get a private app password:

  1. Shopify Admin > Apps
  2. App and sales channel settings
  3. Develop apps > Create an app
  4. Give it theme read/write permissions
  5. Generate and copy the access token

Development Workflow Best Practices

Push Changes to Your Store 

# Push all changes
shopify theme push --store=your-store.myshopify.com

# Push to a specific theme
shopify theme push --theme=THEME_ID
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Work Safely

  • Never edit your live theme directly
  • Always work on a development or duplicate theme
  • Test thoroughly before publishing
  • Use version control (Git) for your theme files

Set Up Version Control 

git init
git add .
git commit -m "Initial theme setup"
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Create a .gitignore file:

.DS_Store
node_modules/
config/settings_data.json
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Publish Your Theme

Once you're ready to go live:

  1. Test everything in your development theme
  2. In Shopify Admin, go to Online Store > Themes
  3. Find your development theme
  4. Click Actions > Publish

Or push and publish via CLI:

shopify theme push --theme=THEME_ID --publish
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Essential Theme Development Commands 

# Pull theme from store
shopify theme pull --store=your-store.myshopify.com

# Start development server
shopify theme dev --store=your-store.myshopify.com

# Push changes to store
shopify theme push --store=your-store.myshopify.com

# List all themes on your store
shopify theme list --store=your-store.myshopify.com

# Create a new theme
shopify theme init

# Check for theme errors
shopify theme check

# Share preview of your development theme
shopify theme share
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Next Steps in Theme Development

Now that your environment is set up, you can:

  • Customize Liquid templates - Learn Shopify's templating language
  • Modify sections - Create dynamic, customizable content blocks
  • Add custom CSS/JS - Enhance styling and functionality
  • Use theme settings - Add customization options for merchants
  • Test responsiveness - Ensure mobile compatibility
  • Optimize performance - Improve loading speeds

Resources

Quick Reference: Common Scenarios

Scenario: First time setup

cd your-project-folder
shopify theme pull --store=your-store.myshopify.com
shopify theme dev --store=your-store.myshopify.com
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Scenario: Connection issues

shopify auth logout
shopify auth login
shopify theme dev --store=your-store.myshopify.com
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Scenario: Starting fresh

shopify theme init
cd your-new-theme
shopify theme dev --store=your-store.myshopify.com
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You're now ready to start developing your Shopify theme! Remember to always work on a development theme and keep backups of your work.

Hopefully this guide could come in handy, and wash off some of the frustration that I had in the beginning. As always feel free to express your thoughts and criticize this piece! Cheers

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