Issues addressed:

  • Completely new set of flight dynamics by Rob Young
  • TCAS not available for online flying
  • TOGA bug fix
  • Autopilot bug fix
  • LNAV/VNAV bug fix

Download the file to your computer.
Insert the 777 disk into the drive and close down the screen that auto-runs.
Locate the 777SP1 file and double-click on it to install the tool.
Follow the on-screen prompts to install the update to your Flight Simulator folder.

Please note that this update is not required for the download version of the 777 Professional.