Access the DNS Zone Editor
Click on DNS for the domain you want to make the change, this will bring up the DNS Editor

Add the TXT record
Click the Add new Record button, and add the entry as follows:
The Type should be TXT, the Name should be

@, the TTL can be anything to your liking.We use
google-site-verification=ttGSnqPLbuB1oS13J1TG4aDM as an example here! The actual site verification string can be found in your Google Search Console.