Tuxera NTFS for Mac bundled with Toshiba hard drives is a special version of the software, which can’t be updated in the same way as the retail version we sell directly on our website.
If you own a Toshiba drive bundled with a version of Tuxera NTFS for Mac, and are having problems saving or writing onto your drive, please contact Toshiba for assistance. Toshiba provides Tuxera NTFS for Mac version only up to 2016.1, which is compatible with macOS up to 10.12 Sierra. Please note, that installing requires the Toshiba drive to be attached to the Mac. More information here: https://support.dynabook.com/support/viewContentDetail?contentId=4008404
If you have a version of Tuxera NTFS for Mac bundled with your Toshiba drive, you can contact our support at firstname.lastname@example.org for a discount code for purchasing the retail version of Microsoft NTFS for Mac by Tuxera.