To add folder access logs from a Windows machine to Splunk, below are the steps that need to follow:  Navigate to Group Policy and enable the Object Access Audit on the Windows machine where the folder is located.  Now once we enable the Object Access Audit, we have to enable auditing on the specific folder for which we want to monitor the access logs.  Proceed with installing Splunk Universal Forwarder on the Windows machine.  At last, configure the Universal Forwarder to send security logs to the Splunk Indexer.