Always run a Configuration Backup (found in the main menu) before starting any update.
This is the most secure method. Log in to your Veeam account, navigate to the downloads section, and look for "Previous Versions." veeam backup & replication 9.5 update 4a download
If you are looking for the full installer that includes Update 4a, ensure the filename includes the build number 9.5.4.2753. Installation and Upgrade Notes Always run a Configuration Backup (found in the