Make PDFs open with Adobe Acrobat Reader

Steps:

1. Right-click the thumbnail of a PDF file, and then click Properties.

   
   

   
   

   
   

   

   
   

   
   

   
   

2. In the file's Properties dialog box, click Change.

   
   

   
   

   
   

   

   
   

   
   

   
   

3. Choose Adobe Acrobat Reader or Adobe Acrobat, and then click OK.

   
   

   
   

   
   

   

   
   

   
   

   
   

4. In the Properties dialog box, click OK.