Installing Ryviu widgets for your Shopify's Online Store 2.0 themes, for example below we installed codes for Shopify Dawn theme
To install Ryviu widget codes for this theme, please follow these steps below:
Step 1: Enable the Ryviu App Embed script
Go to Shopify store admin > Online Store > Themes > click "Customize"

In the Theme Settings panel appears on the right, click on the App Embeds tab.
Toggle the bar to enable the Ryviu app, then click Save.

Step 2: Add section Ryviu Review Widget section
Go to Shopify store admin > Online Store > Themes > click "Customize"
Templates > Products, select product template that you want to add Ryviu section
In your product template, click "Add section" > Apps > click "Reviews Widget". It moveable so you can drag and drop section to place that you want.
Click Save.

Check this video on how to add it:
Step 3: Add Ryviu Star Ratings block
Go to Shopify store admin > Online Store > Themes > click "Customize"
Templates > Products > select the template that you want to add block
Click "Add block"
In "Apps", click "Star Ratings", and move it to the place where you want the star to appear
Click Save button.

Check this video on how to add it:
Note: you can hide Ryviu Reviews Widget if your product hasn't got reviews by preselecting the option "Hide reviews widget when there are no reviews". Please make sure you click Save button to apply the option for your product template

Don't hesitate to contact us if you need more assistance!
All best wishes,
Ryviu team.