How do I convert code into executable software?

Answer 1

Well I see you tagged all the web languages so
I assume you want to convert web to native:

If you want to build an executable for all platforms

Use React Native
Here are some features

React Native is UI-Focused

React Native apps sport a highly responsive interface.

 React Native and the Native environment of the device reduces load times and gives a smoother feel of your app.

If you want to build mobile apps only

Use Phone Gap
Here are some features

Features, Advantages and Disadvantages of PhoneGap

Strong and Robust Backed- PhoneGap has a robust backend system that tremendously speeds up the development process and reduces developer's efforts. ...

Open Source- ...

Flexibility- ...

Compatible on all the platforms- ...

Ease of Development- ...

Two fold benefits- ...

Tapping into the device's hardware

https://facebook.github.io/react-native/

https://phonegap.com/

Answer 2

Use android studio with java