How to build Release?

Hi guys, When I run to npm run build – Release it will create out folder inside a lot of folder
When I run npm run start Release it will open. However How can i take .exe file for windows or .dmg file for macos or linux setup.
Where is that?
How can i build that?

in out folder you can see exe or application in case of Mac. you can also find signed or unsigned folder for dmg file in Mac