How do I change the program that opens a file that I double-click in Windows Explorer?

How do I change the program that opens a file that I double-click in Windows Explorer?

The Microsoft Windows Explorer (your default local file manager in Windows) looks at the file name extension to decide which program should open the file.

By default you do not see the extension of known file types in the Explorer window.

You can find a solution that Microsoft offers to change the program that is associated to a certain file type:

https://support.microsoft.com/kb/307859