How to set your PDF Reader in Windows 10

Using the File Context Menu

1. Right Click on a PDF file, select Open With and Choose Another App

   

2. Select the Application that you’d like to use to open PDF Files and put a check mark in "Always use this app to open .pdf files"

   

3. Click the check box to always use this app to open the .PDF files and click OK. If you don't see the app you want to use in the list, click the More apps link at the bottom of the list. You can also click the Look for another app on this PC to find the PDF application you want to set as default.