This is video tutorial for Google login, updated in January 2021

Enable this option from theme options – Social and Contact -> Social Login as displayed in below screenshot.

Google Login requires you create an APP.

Follow these steps:

Login with your google account at https://console.developers.google.com

A. CREATE A PROJECT

Select the new project created

Go to Credentials .

and press Create credentials and select API key

Copy/paste the Google API key in Theme Options-Social& Contact-SOCIAL LOGIN

Again press Create credentials but select OAuth Client

Select Configure Consent screen

Select external

Next, add your details:

Save the remaining steps without adding any details, on the last step press back to dashboard.

Publish the App

Go back to the credentials section and select OAuth client

Select Web Application and add your My Profile page link

After you press create a pop-up with credentials that will show.  Those credentials need to be copied in Theme Options.