I downloaded the Godot 3.3 source code from github:

Then I added calculator folder (mentioned in this video:
) in modules folder.
Then I executed the command:
scons vsproj=yes
I ran the editor and the custom module test and it worked.
But when I want to export:
According to this video:
Execute the command:
scons platform=windows tools=no target=release bits=64 -j 8
Then I go and change the name (godot.windows.opt.64.exe ) to windows_64_release.exe
Then I set the path to windows_64_release.exe in the custom templates in the release field.
Here is the problem: When I click on Export project I get this window:
