I have (have had for many years) a windows 32-bit version of Firefox (in fact, migrated over from the earlier Mozilla!) Call me a long-time fan... Anyway, I'd like to run the 64-bit version on my 64-bit system (finally) for the improved performance. BUT I'm reluctant to leave behind all of the plugins I've got installed, at least half of which are pretty indispensable for my day-to-day browsing activities. The most practical solution for me--as I see it--is to have both versions, 32-bit and 64-bit, installed IF THAT IS POSSIBLE. That way I could run the 64-bit version where possible and use the 32-bit version where and as necessary. Presumably, as the number of Windows Firefox customers migrate over to the 64-bit version increases,the incentive to port the plug-ins and extensions over will increase and they will become... operable in the 64-bit version. The problem is that, as in my case, the fact that they DON'T run is a huge disincentive to upgrade to the 64-bit version. A classic chicken & egg situation--or perhaps a catch-22 problem. So the bottom line is: is there a way to have both versions of Firefox installed? And if so, can the 32-bit version be ported over retaining the current 32-bit version intact? Given the fact that this software isn't designed to share an open bookmark file, I'd have to expect that the bookmarks would lose synchronous contents once the separate versions were created--but (in theory at least) they would have started from a common place. (And since bookmarks are in HTML format, it's feasible to save new bookmarks and manually copy critical bookmarks over should that be essential; personally I'd just email them to myself with an identifying subject line as a simple way to copy it over--but... there are times 'round-about can be more direct, doncha think?) I HATE it when something so obvious and relatively small can prevent the obvious progress of something just waiting to happen. I've had a 64-bit computer for nearly six years now, running a 64-bit version of windows the entire time. Prior to this system, I was running a different PC also running a 4-bit version of windows (both XP, although I recently upgraded to 10 on this system); virtually all of the software I ran was 32-bit except for the OS. How sad. I was so excited this morning when I finally saw mention of a 64-bit version of Firefox. Finally. But then--really, not surprisingly since they come from 3rd party developers--the add-ons won't work. What a let-down. But... it's a complicated issue. If Mozilla was a big company, I'd be complaining that Mozilla should be supporting the 3rd party developers--blah blah, You know the drill. But we've got this upside situation where Mozilla is US, in a sense, and WE have to support the 3rd party developers. I just hope that Mozilla has been [pushing (and I do mean PUSHING) the 64-bit information out to the 3rd party developers who make their software available for download on Mozilla's website--and have been urged to port their 32-bit versions over so as to support both versions.] <Climbing down off my soapbox now> Thanks to whomever takes up this question: I appreciate your time and assistance--and consideration of the issues surrounding slooow support for the fast 64-bit processor. --Joe R.