VOCALOID2 Character Vocal Series 03: Megurine Luka (Japan Import) Specification : Software which can generate a realistic singing voice only by inputting a melody and words CPU: Pentium 4 Two or more GHz and Athlon XP 2000+ or subsequent ones Memory: Not less than 512MB HDD: Not less than 6 GB DVD-ROM drive and a sound card -- required at the time of activation, environment connectable with the Internet is required