Do not download ZKTime50 from baidu.com, softonic.com, uptodown.com, or torrent sites. Many of these carry remote access trojans (RATs) targeted at corporate HR systems.
: Includes a module to configure specific time zones and access days for individual staff members. zktime50 attendance management systemver 487 link
If you cannot find a safe link for version 487, consider these options: Do not download ZKTime50 from baidu