Windows NT 3.1 supports the then-new Unicode standard, a character set which allows multiple languages to be displayed.
The Windows registry, introduced with Windows NT 3.1, is a central, hierarchical configuration database[REF] designed to allow configuration of computers over the network[REF] and to replace the commonly-used text-based configuration files, like INI files, AUTOEXEC.BAT and CONFIG.SYS [REF].