Sign Up on CookieYes and create an account.

To implement CookieYes code on your Squarespace website, copy the CookieYes verification code.

Go to your Squarespace website and click on Settings

In Settings, go to Advanced settings.

In the advanced settings, scroll down to Page Header Code Injection. Paste the code here and Save the settings.

Note that this feature is only available to Premium users. 

Once the settings are saved and the code is implemented, you can view the cookie banner on your website.

This banner can be further customized using CookieYes features.