Troubleshooting & help

Download, install, update

How do I download and install Reader?

You can download Reader from Get step-by-step instructions on how to install Reader on Windows or Mac OS.

Why won't Reader install?

Installing Reader is a two-step process. Resolve download, installation, and update issues for Reader.

Can I download an older version of Reader?

Yes. You can download older versions of Reader from But, to take advantage of the latest security updates, install the most current release.

Why do I keep getting asked to update Reader?

Adobe updates Reader regularly to safeguard your system against malicious attacks through PDF files. If you receive multiple update messages, make sure that the last update is fully installed. Double-click the Reader installer that you downloaded to complete the installation. For information on switching to automatic updates, see Automatic updates | Acrobat, Reader.

I got an update error. What can I do?

Uninstalling, then reinstalling Reader often solves update errors. For help, see one of these troubleshooting articles for Windows or Mac OS.

Common issues

Why won't my PDF print?

Follow the steps in this article to troubleshoot PDF printing problems.

Why can't I open my PDF?

Many factors can prevent a PDF from opening in Reader. Get to the root of the problem in this article, Can't open PDF.

Why won't a PDF on the web open or display correctly?

Many web browsers, such as Chrome, Firefox, and Safari, now use their own PDF viewer instead of the Adobe PDF plug-in. For best results, configure your browser to use the Adobe PDF plug-in to open online PDF files. To solve the most common PDF-display issues, follow the steps in Troubleshoot viewing PDF files on the web.

Why don't PDFs open in Reader in Windows 10?

Windows 10 uses Microsoft Edge to open PDFs. Learn how to make Acrobat or Reader the default owner of PDFs instead.

Can I edit a PDF?

To edit PDFs, upgrade to Acrobat DC. For more information, see Edit PDFs.


Join the conversation.