Support

System Requirements

eSUN/eSUN-Yomikaki Online Class
Operating System Windows10
OSX
Android／iOS
※Some updates may affect operation 		Windows10
OSX
Browser Windows
  • Google Chrome ver.65 or greater
  • Firefox ver.57.0 or greater
  • Microsoft Edge
Mac
  • Google Chrome ver.65 or greater
  • Safari ver.11 or greater
※Please use genuine browser (We do not support bundled browsers) andriod
  • Google Chrome ver.65 or greater
※Does not apply to eSUN-Yomikaki iphone
  • Google Chrome ver.65 or greater
  • Safari ver.11 or greater
※Does not apply to eSUN-Yomikaki 		Windows
  • Google Chrome ver.66 or greater
  • Firefox ver.57.0 or greater
  • Internet Explorer 11
  • Microsoft Edge
Mac
  • Google Chrome ver.66 or greater
  • Safari ver.11 or greater
Bandwidth※ 500KBps 1MBps
Additional software※ - Skype
Zoom
Recommended Headset with microphone Headset with microphone

Diagnostics

Every PC has its unique settings. In order to successfully use eSUN all the PC requirements have to be correctly configured. Additionally, network concerns outside of your control may affect your ability to use the eSUN system.
We highly recommend that you run the Diagnostics Wizard just to make sure everything is configured properly, and your network connection is suitable for the eSUN system.
Diagnostics Wizard

Contact information

If you are encountering any difficulties, please click on the link below to submit a technical support request.

stepupnihongo@icijapan.com