Yes, it is possible.

A free upgrade of TRAKTOR SCRATCH DUO2 bundled with DJM-T1 to TRAKTOR SCRATCH PRO2 is available by updating to Ver. 2.1.3 or later.

Download and install the latest TRAKTOR update (2.1.3 or later) using the account registered when you activated TRAKTOR to log in the support site of Native Instruments.

For details, please see Native Instruments' websites listed below.