The "ZKTime.Net" (often referred to as ZK Middle East software) is a specialized time attendance management system designed for the Middle East region. Specifically, the "new203 build 6" refers to a stable version release of the ZKTime.Net 3.0
It sounds like you're looking for the or release notes for ZK Time Attendance software version "new203 build 6" — likely a version distributed in the Middle East. zk time attendance middleeast new203 build 6 link
After configuring the device, link to PC via: The "ZKTime