When the default PDF reader cannot meet your needs, you need to change the default PDF program. This article explains how to change the default PDF viewer.
![How to Change Default PDF Viewer Easily [Windows & Mac]](https://i.pinimg.com/originals/e8/f7/15/e8f715e5cfacae6eb7dcfb149ce00c7b.png)
![How to Change Default PDF Viewer Easily [Windows & Mac]](https://i.pinimg.com/originals/e6/81/bb/e681bba97327129aedc6a0cd4f3c9235.png)
