In RepU, open your widget, choose light or dark and left or right, then click Copy next to the embed snippet.
In WordPress, go to Plugins, then Add New, and install the free WPCode plugin. Then go to Code Snippets, then Header and Footer, and paste your code into the Footer box.
Need more detail? See the official WPCode guide.
Click Save Changes, then open your live store to see your Google reviews.
Check your live site in a private window, not the editor or preview. A domain-locked widget only shows on your own domain.
Clear any caching plugin after saving, then check your shop and product pages. On WordPress.com, plugins need a paid plan.