In RepU, open your widget, choose light or dark and left or right, then click Copy next to the embed snippet.
In the WebStarts editor, click Add, then Embed Code, and open the Paste Code tab. Paste your code and place the element in your footer.
Need more detail? See the official WebStarts guide.
Click Save and publish, then open your live site 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.
Make sure the Embed Code element sits in your footer area, so it shows on every page.