Assembly Instructions and Support Assembly instructions for tracks purchased after September, 2019Assembly instructions for tracks purchased after November, 2018Assembly instructions for tracks purchased between November, 2012 & November, 2018Assembly instructions for tracks purchased before November, 2012USB Drivers for Timers with 8 pin ‘Ethernet’ type cables or telephone type cables can be downloaded from http://ww1.microchip.com/download/en/DeviceDocMCP2201%20Windows%20Driver%2021-02-22.zipUSB drivers for Timers with 10 pin flat ribbon cables and single lane test timers without a display can be downloaded from http://www.ftdichip.com/Drivers/VCP.htm