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 Divi, then Theme Options, and open the Integration tab. Turn on Enable body code and paste your code into the body box.
Need more detail? See the official Divi guide.
Click Save Changes, 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 Enable body code is turned on, and clear any caching plugin after saving.