Follow these steps to install Secure Privacy on Squarespace.
Go to the Installation page of your domain and copy the Secure Privacy installation script.
Next, login into your Squarespace account, then navigate to the Settings (cog icon).
From there, locate the Code Injection feature.
Please note: the "Code Injection" is a Premium feature in Squarespace, available in Business and Commerce plans.Paste the Secure Privacy script in the Header section text area, click Save
Your Secure Privacy script is now installed!