Troubleshooting & help

Download, install, update

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

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

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

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.

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

Common issues

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

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

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.

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

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

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