The easiest way is to right click the file, click "open with" > "choose default program" and then find the app you want to assign. Just make sure you've got the "always use...." box checked to retain this preference.
The easiest way is to right click the file, click "open with" > "choose default program" and then find the app you want to assign. Just make sure you've got the "always use...." box checked to retain this preference.