In RepU, open your widget, choose light or dark and left or right, then click Copy next to the embed snippet.
In Joomla, go to System, then Site Modules, and click New. Choose Custom, switch the editor to None or CodeMirror, and paste your code. Set the position to your footer, turn off Show Title, and set Menu Assignment to On all pages.
Need more detail? See the official Joomla guide.
Click Save and Close, 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.
The default editor can strip script tags, so set your editor to None or CodeMirror. Check the module position is in your footer and assigned to all pages.