What are the required specifications of computers for using rekordbox?

The minimum required operating environment for rekordbox is shown below.
-CPU
　--For Mac OS X:
　　　Macintosh computer with a dual-core 1.6 GHz or greater Intel® processor
　--For Windows 8®, Windows 7®, Windows Vista® and Windows XP®:
　　　PC/AT-compatible computer with a dual-core 2.0 GHz or greater Intel® processor
-Required memory
　1 GB or greater of RAM
-Hard disk
　250 MB or greater free space (not including space required for storing music files, etc.)
-Optical drive
　Optical disc driving allowing reading of CD-ROMs
-Sound
　Audio output to speakers, headphones, etc. (internal or external audio device)
-Internet connection
　Use a web browser supporting 128-bit SSL (Safari 2.0 or greater, Internet Explorer® 6.0 or greater, etc.) for user registration and inquiries.
-USB port
　A USB port for connection of a USB device is required for transferring music files to a USB device (flash memory or hard disk).