VOCALOID3 KAITO V3 is the virtual vocal software including four voice banks such as "soft", "whisper", "straight" and "English".Operating environment:OS : Windows 7 (32/64bit) /Vista (32bit) / XP (32bit)CPU : more than Intel Core 2 Duo 1.8GHz recommendedRAM : 2GB or moreDisk Space : 25GB for installationDisplay with more than 1280x768pxOpenGL 3.0 driver compatible video cardOther : DVD-ROM drive, sound device, and the ability to connect your computer are also required. Please refer to the confirmed operating environment