Click Start now
Sign in to your Google Account
Select the drop-down in the left panel where it says "Select Property"
Click on Add Property
Enter in the https:// version of the domain that you own as the URL prefix option and select Continue
Verify your site using the HTML tag option. Copy the tag and paste it in to your site's head section of the home page. To find out where that is located, instructions can be found here.
Publish your site inside of Showit
Click Verify from Google Search Console and the property should now be added to your account
If any of these steps were confusing or didn't work, feel free to reach out to the support team!