3 ways to request a refund on Google Play
Option 1: Get support from the developer of the app
Option 2: Request a refund on the Google Play website
Option 3: Ask for a refund on the Google Assistant
You may get an automatic refund if you uninstall a paid app shortly after first buying it. If you want to reinstall the app, you'll have to buy it again and you will not be eligible for a refund on that purchase.