On your Windows 10 machine you might notice that your PDFs look like this:
This indicates that Microsoft Edge is set as your default PDF handler.
- Right click on a PDF and go to Properties.
- Look at the “type of file” and “opens with” section.
- Click on the Change button.
- “Adobe Acrobat DC” should appear in the list. Click on it and click OK.
- Click on “Apply” and “OK”. All the icons for PDFs should look like this now.