After you order this system, you are sent a "blank" tuner without any custom tunes. Please be aware that SCT's devices and software are only compatible with Microsoft Windows computers, and will not work with Mac OS X, Linux, or other operating systems. Once the tunes are successfully loaded onto the tuner, you can then start to load your tunes into your truck. If we find that your F150 is behind on its latest TSB strategy updates, we may require you to have your TSB updates performed at your dealership of choice. Read our TSB Update blog post. If you need more information or assistance, check out our Custom Tuning Page.