astah* System Safety 11.0.0

11.0.0

Mar. 03, 2026

If you would like to use or try out Astah* System Safety, download from here.

Please read [END-USER LICENSE AGREEMENT] carefully before downloading.
By downloading astah* System Safety, you agree to be bound by the terms of the latest license agreement.
Download Notice (English)

Important Notice:

Installers and technical support are available only for Astah versions released within the past three years.
Versions older than that are no longer provided, as stated in Article 6 of the EULA.

Windows Installer with JRE-bundled (64 bit OS)
177.5 MB | md5sum: 7d794c2e94230b55acba37117974bbb5

ZIP archive for Windows with JRE-bundled (64 bit OS)
202 MB | md5sum: cc177f4401383636c0e35d43dd7361ee

macOS Installer
macOS Package (.pkg) Installer.
200.3 MB | md5sum: f4ce8d80e43a1d8f0216429a96ab16a5