C++ project won't start

[Atmosaero]

The game does not start, it gives an error
.exe not found
Failed to launch configuration "Run"

[kasool]

You need to compile it in Visual Studio first.

[Atmosaero]

9 hours ago, kasool said:

You need to compile it in Visual Studio first.

I can't do this because it doesn't find the headers.
 
UltraEngine.h

[Josh]

When the project was created, the editor should have asked to create an environment variable. It will create a system environment variable like this, which tells the compiler where to find required files: