You can access the IMG 6.9.1 patch 23 software via the Identity Management & Governance 6.9 Downloads space on RSA Link. At the bottom of the Downloads page, select "Version Upgrades" to be presented with a list of products that you are entitled to based on the RSA products you have purchased. Select the appropriate license link to access the available RSA Identity Governance and Lifecycle software downloads. Please contact RSA Customer Support if any licenses for products you have purchased are missing from the list.
RSA has a defined End of Primary Support policy associated with all major versions. Please refer to the Product Version Life Cycle for additional details.
Please note that version 6.9.1 will be reaching the End of Product Support milestone later this year. If you need assistance in upgrading your environment to the latest version, please contact your RSA Account Team or RSA Customer Support.