Learn how to install your Pinterest Tag and Claim your website on Pinterest using the PixelYourSite's dedicated add-on (paid).
You can get the dedicated add-on from here: https://www.pixelyoursite.com/plugins...
Important: You need to install the PixelYourSite main plugin first. The free of PixelYourSite version is available inside WordPress plugins directory, and the paid version is available on PixelYourSite.com