CRYPTON VOCALOID2 Hatsune Miku Append Library DVD Software Vocaloid Windows NEW 6 Additional Voices Library Pack for VOCALOID2 Hatsune Miku Software: Sweet, Dark, Soft, Vivid, Solid, Light Computer with installed and activated version of the VOCALOID2 Hatsune Miku is necessary. Operating environment: VOCALOID2 Hatsune Miku software installed and activated Windows OS: WindowsXP/VISTA/7 Recommended CPU: Pentium42GHz/AthlonXP2000+ or more RAM memory: 512MB or more HDD: Free space of 8GB or more Display / Internet connection recommended / 1280x768px or more (when activated) graphics board that supports the DVD-ROM drive / sound device / Manufactured: Crypton Release Date: 2010/4/30 Condition: Unsealed, never used Made in Japan. Genuine Product.