In RepU, open your widget, choose light or dark and left or right, then click Copy next to the embed snippet.
In Ghost Admin, go to Settings, then Advanced, then Code injection. Paste your code into Site footer.
Need more detail? See the official Ghost guide.
Click Save. The change is live straight away, so open your 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 you pasted into Site footer, not Site header. Some Ghost(Pro) plans may limit code injection, so check your plan if the box is missing.