There are a few methods to check your purchase history.

1. Go to the Google Play Store
Step 1: Go to the Google Play Store
Step 2: Tap your profile icon at the top right
Step 3: Tap Payments & Subscriptions → Budget & History

2. Go to https://play.google.com

3. Go to https://payments.google.com

※ For more details on methods 2 and 3, please visit the following website at Google Play Help.

※ Google always sends an official e-receipt directly to your registered Google email address after purchase. Please regularly check your email inbox.