“HeadNoTail Flow” was blocked to protect your Mac.Open Anyway
Enter the license we sent you. The download starts right away.
In your Downloads folder, double-click HeadNoTail Flow.dmg.
A window opens with HeadNoTail Flow and the Applications folder. Drag the HeadNoTail Flow icon onto Applications.
Open HeadNoTail Flow from Applications. The first time, your Mac says it couldn't verify it. That's normal: click Done.
Open System Settings → Privacy & Security, scroll down to Security and click Open Anyway next to “HeadNoTail Flow was blocked”.
Enter your Mac password (or use Touch ID). Then click Open in the last window. You only do this once.
HeadNoTail Flow opens and asks for your license: the same one you typed above. Then a short guide shows you how to make your first ad.