To install SquawkBox, extract the sb3setup.exe file out of the downloaded ZIP file. Run sb3setup.exe and follow the instructions presented.

The first thing that will be displayed is the welcome screen. Click Next to proceed.

The next screen will present the software licensing agreement. Check the box to indicate that you have read and agree to the agreement. Then click Next.

On the next screen you need to select what parts of SquawkBox to install. This will depend on whether you want to run SquawkBox on one computer or two. If you run it on one computer, Flight Simulator and SquawkBox will run on the same computer. In the case of two computers, SquawkBox will run on one computer and Flight Simulator will run on the other. For more details on how this is setup, read the section on using SquawkBox with WideFS. When using two computers, you must run the installer on both computers. Select the appropriate option depending on where you're running the installer and click Next.

Next you will be prompted to specify the directory where you want to install SquawkBox. By default this is C:\Program Files\SquawkBox3\. To choose a different directory, click the Change button. Click Next. Next you will need to indicate whether you intend on using SquawkBox with Microsoft Flight Simulator 2002, Microsoft Flight Simulator 2004 or both. Pick the appropriate option and click Next.

The installer will then install all the relevant files onto your computer. Once finished you will be prompted to display the user guide and/or the README file. Choose the appropriate options and click the Finish button. SquawkBox 3 is now installed on your computer. Don't forget to repeat the installation process on the second computer if you are running Flight Simulator on one computer and SquawkBox on the other.