This number is very easy to find as follows. In order to activate your licence on the NinjaTrader servers, we will need this number from you first, in order to create your licence on our system. This is a number generated by your NinjaTrader platform, and unique to your pc or laptop. All our indicators are licensed and enabled using a unique number called a Machine ID. Below are the simple steps you need to take to get started in installing and activating your indicators. We really appreciate your business and if you do have any questions please just email us at helpdeskquantumtrading. Thank you once again for your purchase of the Quantum Trading Indicators and welcome to Quantum Trading. Please read the License Agreement before installing and using the indicators.