Step 1. Select product reviews from the all review navigation.
Step 2. Checkmark feature review which you want to show in your slider review.
Step 3. Go to the widget settings and select review slider widget from the drop-down options.
Step.4 Copy this code and Insert into the Shopify page or files, whenever you want to show a slider review at your store.
Step.5 Click on the HTML mode in the page editor option.
Step.6 Insert the copied code here.
Step.4 Save changes