# Before you customize your theme

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After you purchase our theme, you can customize the theme to suit your unique brand. You can use the theme editor to customize your theme content and settings from your Shopify admin. The theme editor includes a theme preview and a sidebar or menu that you can use to make changes to your theme settings, and to add, remove, edit, and rearrange content. 

If the theme doesn't include settings for the changes that you want to make, and you're comfortable with HTML, CSS, and Liquid, then you can edit the theme code.

#### Before you customize your theme, it's a good idea to do the following tasks:

1. [Duplicate your theme to create a backup copy. This makes it easy to discard your changes and start again if you need to.](/articles/getting-started/before-you-customize-your-theme/step-1-duplicate-your-theme-to-create-a-backup-copy.md)
2. [Follow our suggestions to have a better experience when designing your online store.](/articles/getting-started/before-you-customize-your-theme/step-2-follow-our-suggestions-for-a-better-design-experience.md)
3. [Understand the level of support we provide.](/articles/getting-started/before-you-customize-your-theme/step-3-understand-the-level-of-support-we-provide.md)
4. [Learn about the ideal Shopify image sizes.](/articles/getting-started/before-you-customize-your-theme/step-4-learn-about-the-ideal-shopify-image-sizes.md)


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