1. On your computer, open Chrome.
2. At the top right, click More Settings.
   
3. At the bottom, click Advanced.
4. Under "Privacy and security," click Content settings.
   
5. Near the bottom, click PDF documents.
   
   
   
6. Turn on Download PDF files instead of automatically opening them in Chrome.
   
   

Alternatively, you may complete following:

1. On your computer, open Chrome.
2. Type chrome://settings/content/pdfDocuments in the address bar.
3. Turn on Download PDF files instead of automatically opening them in Chrome.

PDF documents will now open directly in Adobe Acrobat or Foxit.

1. On your computer, open FireFox.
2. At the top right, click open menu
3. Select Preferences
   
4. Scroll to Applications.
5. In the Applications tab, type PDF in the search field. 
   
   
   
6. For Portable Document Format (PDF) content type in the search result, select Use Adobe Acrobat (in Firefox) from the Action drop-down list. You may need to select Foxit if this application is installed on your computer instead of Adobe Acrobat.
   
7. Restart Firefox.

PDF documents will now open directly in Adobe Acrobat or Foxit.

1. Open Internet Explorer, and choose Tools > Manage Add-ons.

2. Under Add-on Types, select Toolbars And Extensions.

3. In the Show menu, select All Add-ons.

   
   Select All Add-ons from the Show menu in the Manage Add-ons dialog box.

4. In the list of add-ons, select Adobe PDF Reader.

   Note:

   If you do not see the Adobe PDF Reader add-on, try the other options on the menu. For example, on some systems, the add-on appears when you select Run Without Permission.

5. Click the Enable or Disable button (it toggles depending on the status of the selected add-on):

   Enable sets the Adobe PDF Reader add-on to open PDFs in the browser.

   Disable turns off the add-on so it does not open PDFs in the browser.