The Citizen barcode printer comes with the free Citizen Bartender UltraLite 2016 printing software.
This version only has some of the functions of the Bartender software, including template editing, serial number printing, and QR code printing.
Citizen Bartender UltraLite 2016 runs on Windows 10, Windows 8, and Windows 7 operating systems, but no longer supports Windows XP and earlier operating systems. Bartender UltraLite 2016 supports all Citizen barcode printers:
CL-S300, CL-S321, CL-S521, CL-S621 , CL-S631 , CL-E720, CL-E720DT, CL-E730, CL-S700 , CL-S700DT, CL-S700R/CL-S703R, CL-S703, CL-S400DT, CL-S6621, CL-S6621XL, etc. Download the driver for Bartender UltraLite here