The latest Syslog-ng Agent for Windows is version 6.0.21. The Syslog-ng agent for Windows can be downloaded at from the following page on the support portal under syslog-ng Windows agent at the top of the page: https://support.oneidentity.com/syslog-ng-premium-edition/6.0.21/download-new-releases
The following information describes the downloads available:
syslog-ng-agent--setup.exe is the general installer. This installs an agent that can be configured with a local configuration, XML configuration file and can receive configuration from domain group policy. The installer contains both the 32bit and 64bit versions of syslog-ng Agent.
syslog-ng-agent-nosnapin--setup.exe is a special installer. .NET environment is not required for it. This installs an agent that can only be configured with an XML configuration file, and can receive configuration from domain group policy. The installer contains both the 32bit and 64bit versions of syslog-ng Agent.
syslog-ng-agent-setup--.msi is an MSI installer for domain clients, installing by group policy.
This information can also be found in the Syslog-ng agent for Windows admin guide located here: