Firefox:
- Click tools in the menu button and choose Options
- Select the Applications panel.
- Find Portable Document Format (PDF) in the list and click on it to select it.
- Click on the drop-down arrow in the Action column for the above entry and select the Adobe Reader.
- Click OK to close the Options window
Chrome:
- Open Chrome and type “about:plugins” into the omnibox at the top.
- Scroll down and find Chrome PDF Viewer.
- Click the “Disable” link for the Chrome PDF Viewer. Enable Adobe Acrobat to prevent PDFs from loading within Chrome and select the checkbox.
Safari:
Drag the Acrobat application folder from the CD (or disk image) to the Applications folder to install Acrobat. The first time you start Acrobat you will be prompted to accept the end user licence agreement (EULA) and register Acrobat. After you accept the EULA, Acrobat runs a Self-healing procedure which checks for any Acrobat components that need to be installed in other applications. The self-healing process installs the Adobe PDFViewer plug-in file. The AdobePDFViewer.plugin file is the main file used by Acrobat to view PDF files in the Safari browser on Mac OS X is the Adobe PDFViewer.plugin; this file is installed in the Library/Internet Plug-Ins folder. A dialog box will appear asking if you want to use adobe as the default pdf viewer, answer yes
If you updated or reinstalled your copy of Safari in order to view PDF files, then do the following:
- Completely remove the old version of Safari.
- Install the latest version of Safari.
- Remove the Adobe PDFViewer.plugin from the Library/Internet Plug-Ins folder.
- In Acrobat run Help > Detect And Repair and choose Adobe PDFViewer.
The first time you start Acrobat or Adobe Reader 8 on Mac OS X, it will automatically install itself as the default PDF viewer for Safari.
