Adobe Reader is the most popular and free software to support PDF files. It offers tools to zoom in/out, text selection, commenting, formula filling and printing documents. In its newest version available are functions for converting files to other formats and quick document sharing via email or an Adobe.com account.

If you're running Mac OS, see Install an older version of Adobe Reader on Mac OS.

Follow the instructions below to download and install Adobe Reader on a Windows computer.

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Before you install, make sure that your system meets the minimum system requirements.

Follow these steps to install Reader using Internet Explorer.

Close all versions of Reader. Close any browser that is displaying a PDF.
Note:
If you're running Windows 7 or later, install the latest version of Reader. For step-by-step instructions, see Install Adobe Acrobat Reader DC Windows.
Select your operating system, a language, and the version of Reader that you want to install. Then click Download now.

When the File Download - Security Warning dialog box appears, click Run.

When the Internet Explorer - Security Warning dialog box appears, click Run.


Note: Reader installation is a two-part process: The installer is downloaded and then Reader is installed. Be sure to wait until both parts are complete. A progress bar displays the time remaining.
When you see the confirmation message that the installation is complete, click Finish.

Follow these steps to install Reader using Mozilla Firefox.

Close all versions of Reader. Close any browser that is displaying a PDF.
Note:
If you're running Windows 7 or later, install the latest version of Reader. For step-by-step instructions, see Install Adobe Acrobat Reader DC Windows.
Select your operating system, a language, and the version of Reader that you want to install. Then click Download now.

When the Opening dialog box appears, click Save File.

When the Downloads window appears, double-click the .exe file for Reader.
Note: If you don't see the Downloads window, other applications or windows could be hiding it.

When prompted to open the executable file, click OK.



Note: Reader installation is a two-part process: The installer is downloaded and then Reader is installed. Be sure to wait until both parts are complete. A progress bar displays the time remaining.
When you see the confirmation message that the installation is complete, click Finish.

For quick troubleshooting steps, see Troubleshoot Acrobat Reader download.

For a list of known issues and more in-depth troubleshooting, see Troubleshoot Adobe Reader installation Windows.

To see if other users are experiencing similar download and installation problems, visit the Reader user-to-user forum, or the Deployment & Installation forum on AcrobatUsers.com. Try posting your problem on the forums for interactive troubleshooting. When posting on forums, include your operating system and product version number.

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