Updating to the latest version of the Atlas theme (like Atlas 2.0) is easy — it happens automatically when you generate a new store in the Atlas app.
Atlas does not support manual theme updates on existing stores. Instead, every new store you generate will automatically use the latest version of the theme with all updates, fixes, and new features.
How to update to Atlas 2.0:
Open the Atlas app from your Shopify admin
Generate a new store using the product link of your choice
The new store will be built using the latest version of the Atlas theme (including Atlas 2.0 and beyond)
Tip: If you want your current store to use Atlas 2.0, you’ll need to generate a new store and migrate your products, pages, and branding into the new version.