How to change my default app for PDF from Edge to Adobe.

Using the "Type here to search" bar at the borrom left of your screen.
  1. Type in Default Apps
  2. Click on Default Apps Settings.
  3. Click the Choose default apps by file type link.
  4. choose default app
  5. Scroll down and find .pdf (PDF File), and click the button on the right side, which is likely to read "Microsoft Edge."
  6. default app pdf
  7. Select your app (Adobe Reader) from the list to set it as the new default.