Can I return to former Firefox version--my desktop is in overload due to this new and confusing update...updated this morning...memory hog--besides other disconserting features not fully explained in update suggested page

I have just updated my Mozilla Firefox at the pop-up warning that the version I was using was outdated. I am too confused by such aspects as high memory use (my computer will likely crash if this use continues--even when I am not asking questions of Mozilla Firefox. Can I reverse this choice to upgrade in order to restore all my settings and data?

Hey,
There are a lot of benefits to running the latest version of Firefox. You should take a look at [https://support.mozilla.org/en-US/kb/common-questions-after-upgrading-firefox-36 these common questions after upgrading] and [https://support.mozilla.org/en-US/kb/latest-firefox-issues the list of latest Firefox issues] for more information.
If you still want to roll back to a previous version of Firefox, just take a look at the Knowledge Base article [[Installing a previous version of Firefox]].
Hopefully this helps!

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