Simply I want to import this data type into registry with an .inf file With a .reg file I import this with: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\MyKey] "My Value"=hex(a):a8,00,00,00,01,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,01,00,00,00,01,00,01,00,04,00,00,00,01,\ 80,03,00,00,00,00,00,01,00,00,00,5c,00,56,00,45,00,4e,00,5f,00,31,00,30,00,\ 44,00,45,00,26,00,01,01,01,80,11,00,00,00,08,00,00,00,01,00,00,00,70,01,00,\ 00,00,00,00,00,77,01,00,00,00,00,00,00,01,01,01,80,11,00,00,00,01,00,00,00,\ 01,00,00,00,76,03,00,00,00,00,00,00,76,03,00,00,00,00,00,00,01,02,01,80,01,\ 00,00,00,0f,00,00,00,0f,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00