1) Unzip Orbitor to a directory
Right click on the zip file, unzip
2) Install Orbitor Sound to the same directory
OrbiterSound has an installer, just find the same directory as you unzipped orbiter to.
3) Open Launch Pad
Double-click orbiter.exe
3.1) Activate All Modules
Modules tab, active all
3.2) Set Joystick
Joystick Tab, Joystick Device
3.3) Change Screen Dimensions
Video Tab, Screen Resolution
3.4) Set Scenario to Atlantis Launch Satillite
Scenario Tab
3.5) Start Orbitor
Click Launch Orbiter
4) I'm on the ground and the simulator is running fine but the inside and outside of Atlantis is grey
Can you show us a picture?