ATT2008 is a legacy desktop-based Attendance Management System (AMS). It was widely distributed in the late 2000s and early 2010s, often rebranded by various hardware manufacturers (most notably ZKTeco, but also other generic "fingerprint time clock" brands sold on Amazon or eBay).
Here is a deep review of the ATT2008 Attendance Management Software, specifically regarding downloading and using it in a modern context. att2008 attendance management download new