To make Adobe your default PDF reader:

  1. Find a PDF file that you would like to open in Adobe Reader.
  2. Right click on the file, go to the “Open With >” menu option.
  3. Click on the “Choose another app” option at the bottom of the menu.
  4. Click on the Adobe icon in the list of apps so that it is highlighted, and then tick the box that says “Always use this app to open .pdf files”.
  5. Click OK.