Once you have downloaded the trial version from the software from our website: https://www.treeage.com/trial-download/ the software will run in trial mode for 14 days after installation.
During the trial period, the models you create are limited to a maximum of 25 nodes (no saving). This trial period is for evaluation purposes only and may not be used for any project-related work.
You can upgrade your trial version by purchasing a full license without having to download TreeAge Pro again. To purchase a full license which meets your requirements visit: https://www.treeage.com/shop/