In RepU, open your widget, choose light or dark and left or right, then click Copy next to the embed snippet.
In your Wix dashboard, go to Settings, then Development and integrations, then Custom Code. Click Add Custom Code, paste your code, choose All pages, and set it to Body - end.
Need more detail? See the official Wix guide.
Click Apply. Code only runs on your published site, so 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.
Your site must be published with a connected domain. Changing your domain can remove custom code, so check it is still there.