Every user can choose what program open when a link is clicked or a certain type of file is opened. Most commonly you may want to change your default web browser (Chrome, Firefox, Edge) or PDF reader (Adobe, Nitro).
Click Start.
Go to control panel. You can just start typing “control panel” and it should show up in the list.
Go to Default Programs
Select “Set your default programs”
On the left side, select the program you want to set as the default
On the right side near the bottom, click on “Set this program as default”
Click, “ok” and close control panel.
Your default program should now be changed.