General Information

Firefox is a web browser which allows you to view webpages on the World Wide Web. Firefox is developed by Mozilla, and is available free of charge.

System Requirements

Firefox 17 ESR
• A PC running Microsoft Windows XP Professional, Windows Vista, Windows 7 or Windows 8
• Pentium 4 or newer processor that supports SSE2 (Intel Core i5 or faster processor recommended)
• 1 GB of RAM (4 GB RAM recommended)
• 200 MB of free hard disk space

Firefox 20
• A PC running Microsoft Windows XP Professional, Windows Vista, Windows 7 or Windows 8
• Pentium 4 or newer processor that supports SSE2 (Intel Core i5 or faster processor recommended)
• 1 GB of RAM (4 GB RAM recommended)
• 200 MB of free hard disk space

Firefox 21
• A PC running Microsoft Windows XP Professional, Windows Vista, Windows 7 or Windows 8
• Pentium 4 or newer processor that supports SSE2 (Intel Core i5 or faster processor recommended)
• 1 GB of RAM (4 GB RAM recommended)
• 200 MB of free hard disk space

ITS Supported Versions

• Firefox 17.0.6 ESR (18.5 MB)
• Firefox 20 (20.1 MB)
• Firefox 21 (20.3 MB)

Firefox 19 and later comes with its own built-in PDF viewer. To disable the built-in PDF viewer and use Adobe Reader (or another PDF viewer), go to Firefox > Options > Options > Applications panel. Follow the directions listed here.

Use Firefox 17 ESR (latest build) for web applications that require it. Use Firefox 21 (latest build) for all other web browsing.

Note: Google@UH apps (gmail, gcal, gdocs) are supported on the current version of Firefox, the version just preceding it or Firefox 17 ESR. Firefox is on a rapid-release schedule with a new version released approximately every 6 weeks. Check for the most current version of Firefox here.

Note: while the 32-bit and 64-bit versions of Windows Vista, Windows 7 and Windows 8 can be used to run Firefox 21, only 32-bit builds of Firefox 21 are supported at this time.

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