It provides greater security on Magento CAPTCHA, verifies without possible user errors by entering a series of letters and numbers, and encourages the conversion of the cart without further obstacles to complete a purchase.
To Configure google reCaptcha follow below steps:
Step 1: Login to admin panel and go to Store -> Settings -> Configuration.

Step 2: Select Security and Click on Google reCaptcha.

Step 3: Expand the General section and enter the following generated keys for the specific reCAPTCHA type to be enabled:
- Google API website key
- Google API secret key

Step 4: Expand the Backend section:
- Enable: Set to Yes.
- Theme: Choose Light or Dark.
- Size: Choose Normal or Compact.

Backend you will get Google reCaptcha like this:

Step 5: Expand the Frontend section:
- Enable: Set to Yes.
- reCaptcha Type: Select reCaptcha type to reCaptcha v2.
- Theme: Choose Light or Dark.
- Size: Choose Normal or Compact.
By default, reCAPTCHA is enabled for these pages.
- Use in login
- Use in Forgot password
- Use in Contact
- Use in Create user
- Use in Review
- Use in PayPal PayflowPro payment form
- Use in Newsletter
- Use in Send To Friend

Frontend you will get Google reCaptcha like this:


Step 6: Click on Save Config button.

Please contact us at manish@bay20.com or call us at +91-8800519180 for any support related to Magento 2. You can also visit the Magento2 development page to check the services we offer.