Can I install Firefox 52ESR without uninstalling a much earlier version?
Comcast suddenly refuses to download my email because it doesn't support the browser I'm using (Chrome 49). I have Windows XP, so I'm limited in browser choices. Firefox 52ESR is still permitted by Comcast, or so I'm told. Can I download Firefox 52ESR without uninstalling Firefox 6.0.2 (haven't used it in years) -- I don't want to lose the bookmarks stored in the old Firefox version. Thanks.
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You can have as many versions of Firefox as you want. Just load each into its own folder in your computers Programs Folder.
It is also best if you create a different profile for each version as some settings and add-ons are not compatible.
You can use sync to share data between each, but only share bookmarks, history, passwords as other data may not be compatible.
