Navigate to Email
From your HubSpot Dashboard, navigate to Content > Email.
Manage Email Settings
Once in the Email tool, click on the Manage tab. On the left-hand side, click on the link to Manage Settings.
Email Settings > Subscription Settings
Once in your Email settings, click on Subscription Settings in the left-hand side menu.
Your Subscription Settings will have default pages set up for you that you can certainly continue to use if you'd like, they'll do the job for your to ensure you are being CAN-SPAM compliant and giving your customer everything they need. If you want to customize the wording on these or perhaps even add a fun image to show you're sad to see them go - then you can do so by choosing View Template, cloning the template, making whatever customizations you want to make and selecting that new template in the settings below. (To see a longer walkthrough on going through the process of editing these templates, take a look at this article.)
Select new template
So you've decided to make a new subscription preference page, select the dropdown menu and choose your new template. And, of course, be sure to Save changes when you're done.