Yes, the desktop TWS will be offered to introducing broker master accounts. If you are not running version 979.1s or later you will receive the error message "session misconfigured" and must update your TWS build.
Can introducing brokers with IBKR Lite clients use TWS?
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How do I update trading permissions to qualify for IBKR Lite?
Installation of TWS issue "There was a permanent error while downloading necessary files. Please try and launch the application again."
Will I be able to use TWS with an IBKR Lite account?
Will I be able to use TWS with an IBKR Lite account with IBKR Singapore?