You could have downloaded Super4USBRelay 1.90 from our software library for free. Super4USBRelay is compatible with Windows XP/7/8/10/11 environment, 32-bit version. This free software was originally created by tctec Pty Ltd. The most popular version among the program users is 1.9. RelayMapper.exe is the most common filename for this program's installer. The software lies within System Utilities, more precisely Device Assistants.
From the developer:
This is a nice and easy to install software for Super4 USB Relay module. The super4 USB relay board is driven over USB directly (not virtual com port). When you install the software, you will have on your PC Relaymapper, FTDI USB drivers and relayset.
You may want to check out more software, such as Faxtastic or CopyPod, which might be related to Super4USBRelay.