Downloads
Download a free trial to get started!
Our free trials are fully functional for 20 days.
To purchase a fully licensed version, download and install the software from this page, then select the right type of license for you.
You’ll be asked to input your license code inside the installed software. By downloading our software, you accept our Privacy Policy and EULA.
Our premier product is designed to help you create UML, ER Diagram, Flowchart, and DFD … and much more!
Looking for the iPad friendly version of Astah? Download it now from the Apple iTunes App Store.
Are You a Student?
GET A FREE ASTAH UML LICENSE!
Obter uma licença de estudante gratuita
If you are a student at an accredited college or university, you’re eligible for a free license for Astah UML.