Tree Help plugin is a "try-before-you-buy" program. You can use it for a total of 30 days for free, then you need to purchase the Tree Help plugin.
To encourage you to purchase the Tree Help plugin, the demo version adds the menu item: Register Tree Help. Upon registration this menu item will be removed.
You may purchase the Tree Help Plugin online, by mail, phone or by fax. We do not have access to any sensitive personal information, such as credit card details. For secure payments, we use the services of a well-known registration service ShareIt! (located in Europe).
Click to buy: Price is USD $29.95 or EUR 24.95 (your choice) per license.
After purchasing a license, you will recieve a file entitled treehelp.txt which will contain your license key. Upon recieving this file, place it in the folder fminit under the FrameMaker installation directory, and restart FrameMaker to complete registration.