Name OS Size Last Update
Musicsoft Downloader V5.7.4 for Win 10/8.1/8/7 Win 17.1MB 2017-12-06
USB-MIDI Driver V3.1.4 for Win 10/8.1/8/7 (32-bit) Win 6.3MB 2015-08-26
USB-MIDI Driver V3.1.4 for Win 10/8.1/8/7 (64-bit) Win 6.4MB 2015-08-26

Name English English
Computer-related Operations [506KB]
MIDI Basics [142KB]
Smart Device Connection Manual for iOS (iPhone/iPad Connection Manual) [4.5MB]
Name English English
Song Book for PSR-I455 [13.2MB]
Compatible USB Device List for PSR-E433、KB-290、PSR-I455、SKB-J700、PSR-E443 [49KB]