These instructions were updated for Firefox version 88.0.1 Microsoft Edge:

A pop-up menu named “Select Helper Application” will appear.

Click on the drop-down arrow in the Action column for Portable Document Format (PDF) and select “Use other…”.

Find Portable Document Format (PDF) in the list and click on it to select it.

Click the menu button and choose “Options”.

These instructions were updated for Chrome version.

Use the toggle to enable “Download PDF files instead of automatically opening them in Chrome”.

Enter this URL into the search bar: chrome://settings/content/pdfDocuments.

Here are instructions for the top three browsers on how to disable your browser from attempting to open an interactive PDF, and force interactive PDFs to be opened in Adobe Reader.

Open Adobe Reader, and use the file menu to open the PDF.

Save the document to your desktop or a folder where you can easily find it.

Select “Save link as…” (Chrome, Firefox) “Save link as” (Edge).

There are two work-arounds: right click on the link or update your browser. The problem is most likely that your browser is attempting to open the interactive PDF. Frequently-Asked Questions I’m having problems downloading interactive PDFs, like the WORKSHEET Human Subjects Research Determination

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