Download Oasys (free)

Download Oasys (free)

Download and run the setup program below to install Oasys. You will need to register with the website in order to use it (this is also free). The Oasys Installation Guide is here to make things easier if required.

         Download Oasys

Further Information

The latest version (February 2020) fixes a problem with the Oasys Server "Connection Checker", that occurred after our web hosts transferred the website to a new server, and includes minor bug fixes reported through the automatic bug tracking system. Please see Oasys Version History for more information.

No personally identifiable information is ever sent to or stored on the Oasys Server.  See our data protection section for more details.  

The program links to the help pages on this website. If you wish to make any comments about the program you can add comments to the bottom of the help pages (if logged in), add questions to the forum (if logged in) or use the contact link at the bottom of every page. If the program crashes in some way it will want to email us so that we can fix the problem.

The old version of Oasys is still available for those that are not willing to register with the website, it can be downloaded using the "Download the Old beta version of Oasys from 1995" link further down the page.

Related pages

Occupational asthma: Oasys Version History Oasys Version History
Occupational asthma: Download the Old beta version of Oasys from 1995 Download the Old beta version of Oasys from 1995


Do you have a MAC version fro OAsys?

Hi there, I'm afraid that Oasys only runs on windows.

I need dto download the latest version OASYS.
thanks a lot

Hi There, please click on the "Download Oasys" link at the top of this page. This will download the Oasys Setup program for Windows. Please run this to install Oasys. It will add an item to your Start Menu and Desktop.

Please sign in or register to add your thoughts.

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