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What steps are needed to download an older version of Firefox for testing an Oracle certified version?

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I want to download an older version of Firefox for testing Oracle certified versions (for PeopleSoft PeopleTools). I found the directory of older versions but need instructions for the steps needed to download the desired version, which is version 17. Thank you for your help.

I want to download an older version of Firefox for testing Oracle certified versions (for PeopleSoft PeopleTools). I found the directory of older versions but need instructions for the steps needed to download the desired version, which is version 17. Thank you for your help.

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Do you want to replace an existing installed version, or is this a new install?

I'm not sure what site you are using for your download, but there is a link in this support article as well: Install an older version of Firefox ("I still want to downgrade" section).

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Which Firefox version do you want to download?

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The latest Firefox 17 ESR (Extended Support Release)' for Windows is available here:
http://ftp.mozilla.org/pub/mozilla.org/firefox/releases/17.0.6esr/win32/en-US/

If you will be installing that version on a PC which already has a different version of Firefox installed, you will need to create a new Profile fir the ESR version. Let us know and we'll tell you how to create a new Profile.