Version: 3.65

Date Posted: February 17, 2015


LEGO Robots

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Note: You do not need to deactivate your license in order to upgrade for ROBOTC versions 3.0 and above

ROBOTC 3.0 requires a ROBOTC 3.0 license. If you have a ROBOTC 2.0 license (or older), you can download ROBOTC 2.0 in the "Optional Downloads" section below.


Already have a building license?

How to install the Building License file »

Note: The NXT LEGO USB Device Driver is included in the ROBOTC installer.



Optional Downloads

The NXT drivers are included in the installation of ROBOTC 3.0. If, for any reason, you need to download the files separately, they are provided below:


Download Network Driver (in addition to required driver) if ROBOTC will run from a network:


Previous Versions (3.x):

For access to previous versions, please contact us (include your License ID) at

Previous Versions (2.x):

ROBOTC 2.x licenses will ONLY let you activate ROBOTC 2.x.

  • 2.26.1 - Last 2.x FTC-compatible version.
  • 2.0.2 - Last Official release for 2.x Versions - Includes both RCX and NXT Support

System Requirements

  • Windows® XP, Service Pack 2 or later.
  • Windows® Vista
  • Windows® 7
  • Windows® 8

Installing more than one version of ROBOTC?

ROBOTC 3.0 introduces a new and improved way of managing your ROBOTC software, designed to simplify the process of keeping all of your software up-to-date while minimizing the number of downloads and installations you must perform!


Once you have downloaded and installed any version of ROBOTC 3.x, you have everything you need (NXT and Cortex drivers excluded). No Additional downloads of ROBOTC software are required; in fact, don't try to download and install additional versions.

Click here for more instructions >>