[2] Select [English] from the Language drop-down menu.

[3] Click [Apply OK] to apply the settings and close the Settings dialog box.

[4] Open the [Add-Ins] tab > [Add-In Applications], clear the [icVault] check box, and click [OK].　
※This temporarily disables icVault.

[5] Close all running instances of IRONCAD, and then restart IRONCAD.

[6] Open the [Add-Ins] tab > [Add-In Applications], select the [icVault] check box, and click [OK].
※This enables icVault again.

The icVault commands are now displayed in English. 

※To switch from English to Japanese, follow the same procedure and select [Japanese] from the Language drop-down menu.