Your system may not be set up to automatically open PDFs from the desktop with Acrobat Reader DC or Acrobat DC. Here's how to set it up: 


1. Find a pdf file in File Explorer (which is My Computer or My PC).



















 

2. Notice in the screen shot above that Windows is labeling these pdf files as ‘Chrome HTML Documents’. 

3. Right click on one of these files.

4. Then click Open with;

5. Then click Chose another app;


 















6. The How do you want to open this file? box will load.

7. First click the check box that is labeled Always use this application to open .pdf files.

8. Then click Adobe Acrobat Reader.

9. Finally click the OK button. This tells Windows that whenever you open a pdf file, open it in Acrobat Reader not Chrome.

You are done.