Product Reviews

For this you would need to install the Shopify Product Reviews app:

​Product Reviews - Shopify Apps​

Then head here:

1. Admin

2. Online Store → Themes → Customise

3. Navigate to your product pages

4. From the left-hand menu, scroll to the bottom and toggle the "Enable" checkbox -

We've already included all the coding required for this app, within your theme's base-code, so no need to add any for it to work.