![](https://blogs.sas.com/content/sgf/files/2017/09/Upgrading-a-SAS-9-deployment1.png)
A review of the options available for upgrading a SAS 9 deployment
With the fifth maintenance release of SAS 9.4 (SAS 9.4M5) now available, it seems like a good time to get a refresher on some of the ways you can upgrade your existing SAS deployments to the latest release. Among several benefits, SAS 9.4M5 provides closer integration with the CAS in-memory runtime engine