In RepU, open your widget, choose light or dark and left or right, then click Copy next to the embed snippet.
In Thinkific, go to Settings, then Code and analytics. Paste your code into Site footer code.
Click Save, 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 you pasted into Site footer code and saved. Custom code is on paid Thinkific plans.