I need to confirm my domain ownership. How can I add the Google meta tag?

1. Open https://www.google.com/webmasters/
2. Click "Add property".
3. Select URL prefix type, enter your domain name and click Continue
4. Select 'HTML tag' and copy the meta tag.
5. Go to Tilda. Open Site settings → More → Confirm ownership. Add the meta tag in the line Google Domain Confirmation. Save the settings and publish the site.

Learn more on how to confirm your domain ownership: https://help.tilda.ws/domain-confirm