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can I download an older version of firerox. 4.o is too much for XP

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I am running XP on an older Dell desk top. I downloaded the latest version of Firefox and it is consuming all my capacity. Can I go back to the previous or an older version? How?

I am running XP on an older Dell desk top. I downloaded the latest version of Firefox and it is consuming all my capacity. Can I go back to the previous or an older version? How?

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Here's the process to roll back:

First, I recommend backing up your Firefox settings in case something goes wrong. See Backing up your information.

Next, download and save Firefox 3.6 to your desktop for future installation. http://www.mozilla.com/firefox/all-older

Several people have reported that you can skip this step: Close Firefox 4, and uninstall it. Do not remove your personal data and settings, just the program.

Then finally you can reinstall Firefox 3.6. Unless you have installed an incompatible add-on, it should pick up where you left off. If there are serious issues, please post back with details.

Note: I haven't actually tried this myself!