1) Install program
2) Copy the "nlicreg.dll" file to C:\Program Files (x86)\EuroPlus\NiceLabel 6\bin  (for XP - C:\Program Files\EuroPlus\NiceLabel 6\bin)
3) Copy the "license.cfg" file to C:\ProgramData\EuroPlus\NiceLabel 6\system  (for XP - C:\Documents and Settings\All Users\EuroPlus\NiceLabel 6\system)