GeoStudio 2021.4 is the final release supported on Windows 7 and Windows 8.1.  Although future versions of GeoStudio may appear work with older operating systems, no technical support will be provided for installations of GeoStudio on unsupported operating systems.

For further information about GeoStudio support options, please reference the Seequent Desktop Version Support Policy at the following link:
https://www.seequent.com/help-support/desktop-software-version-support-policy-faqs