Install and connect your theme
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Install the app through its Shopify listing when available, then open Flexi Blocks in Shopify Admin.
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Review the current plan and approve billing only if the offer is right for your store.
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Open Online Store → Themes → Customize on a duplicate theme. Enable the Flexi Blocks app embed so the storefront scripts and styles can load.
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Add a visible Flexi Blocks app block in a theme section that supports app blocks, including the appropriate header area when supported. An enabled embed alone is not the same as placing a visible block.
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Create or select a block in the app, save it and associate the intended block with the theme placement where prompted. Save the theme.
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Preview the exact storefront page and check the block at desktop and mobile widths before publishing the theme.