The System Properties tab displays the current system property values used by HEC-RTS. If you have the appropriate user access, you may be able to edit some or all of these properties. However, it's strongly recommended that you only view these properties for troubleshooting or reference purposes. Editing should be done with extreme caution, as changes can directly impact HEC-RTS functionality. 

Refer to this guide to learn how to add, edit, and delete system properties.