The optimized sites we produce are equipped with SEO plugins as soon as the WordPress is created. To add your site to your Google Search Console, you can directly use the Yoast SEO plugin which is visible in your admin panel.
To access Yoast, click on the "SEO" tab in your admin panel, then click on "General". Here you will be able to enter the Google verification code in the following box:
Your Google verification code is available in the "Alternative methods" tab of your Google Search Console interface. Copy the entire tag and paste it into your control panel, then save the changes.