1. Click “Start” on the bottom left corner of the screen
2. Find “Windows System” and select “Control Panel”
3. Click “Default Programs”
4. Click “Associate a file type or protocol with a program”
5. Scroll down and select “.pdf” and click “Change program”
6. Select “Adobe Acrobat DC” and click “OK”
7. Wait for the change to update and click “Close”