1. Open the page you want to share
2. Click on the Edit pencil icon in the left side menu
3. Click on the eye icon/text in the right top corner of your page
Public to make your page visible to anyone on the internet. You should see that the page visibility changed to Public:
Please note that Public pages feature is available for Pro accounts
5. Save your change by clicking on the check icon in the top left side menu
6. Copy the page URL and share it with a friend, in social media, etc...