1.) Make sure you have already logged into Patreon. Then go to the custom content post you would like to view and download.
2.) Click the ‘Unlock with Patreon’ button.
3.) Click the ‘Allow’ button. This is how Patreon verifies that you are a Patron before allowing you to access the content.
Once you have done this you should not need to log back in this way unless you clear your cookies in your browser.