For those wondering, I am running the 32-bit edition of Windows 7. I did this primarily for application compatibility above all else.
The first response from those who are familiar with 64-bit environments are quick to say, "But you can run 32-bit apps in a 64-bit environment easily."
That’s not always the case.
Running certain 32-bit apps in 64-bit environments can present itself to be a problem no matter what OS you use. For example, many Mac people use Photoshop. All new Macs are 64-bit. But Adobe does not have a 64-bit edition for the Mac. Photoshop still runs fine but doesn’t take full advantage of the 64-bit environment. It also ticked off Mac users something fierce that Photoshop 64-bit will be for Windows first. And if I were a Mac user that would perturb me quite a bit as well.
Per conversations I’ve had with a few folks running Windows Vista or 7 64-bit, two particular types of platforms have exhibited some quirks, also both from Adobe.
The first one is Adobe AIR. It would appear AIR doesn’t "play nice" in 64-bit world except for Linux currently. But on Windows 64-bit, AIR is something which may or may not work. So if you wanted to run AIR apps like Twhirl or TweetDeck on Vista 64 or Win 7 64, it might not even be possible presently.
Did you get Adobe AIR running on Windows Vista or 7 64-bit along with your favorite AIR apps? Let us know in the comments.
The second is a biggie, Adobe Flash. Some I’ve conversed with say Flash runs fine on 64-bit while others say it’s "tolerable" at best.
Did you get Adobe Flash running on your 64-bit Windows Vista or 7? Let us know in the comments on this one too as many would love to hear your experience.
Most people could live without AIR, but as for Flash, there are tons of web sites that simply require it. And going without Flash would be trying on the nerves to many.

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could you not be bothered to try? works fine on vista x64, windows 7 x64, leopard.
the reason why Photoshop isn’t available in 64bit for mac yet is that carbon is 32bit only, they are rewriting photoshop CS5 to use cocoa. Carbon was not intended to be anything more than an easy way to get OS9 apps to run on OSX. it should have been phased out in 2005 at the latest…
Also, your ‘subscribe to our weekly newsletter’ box is evil.
God forbid you’d have to uncheck a box next to a button. ((shudder))
Even if that was true, what about VirtualXP mode then??
I’ve been using Adobe AIR and Twhirl on Windows XP x64 with no problems for months now. Ditto for Adobe Lightroom 2.3 64-bit edition. I may still have a box with the 64-bit version of Windows 7 beta, maybe I’ll try to get Adobe AIR running on it.
I’m running Windows 7 RC 64-bit on a Phenom x 3 with 4GB DDR2 800MHz RAM. I haven’t had any problems whatsoever with either Adobe Flash or Adobe Air. Twhirl is running fine.
I ran the 64-bit Windows Vista iTunes version without any issues also FWIW.
I am running Windows 7 RC 64-bit and Adobe is installable on IE but not FireFox. You have to do it manually, however, after you run the install. Still won’t work with FF though. Found the instructions on the web, would have to look them up again.
‘Strange that: I’m running exactly the same OS – 64-bit too, and all Adobe products are working just fine in FireFox. I find that I hardly ever use IE. I’ve no idea what’s not happening for you; but it’s certainly possible as I’m doing it now.
Firefox is 32 bit, that is why it works. Minefield is 64 bit firefox, and I can’t get it to work. If someone knows how please let me know. Thanks.
It works almost perfect on anything I throw at it. I use windows 7 64bit and was using vista x64. I run every adobe, 3d modeling, coding software, and hardware you could imagine. I had one blue screen so far on a japanese VN game that I was forcing to run and alt+tabbed out. Not a normal situation. I’ve been thoroughly impressed, everybody should join in on the 64 bit fun! [ =
Interesting to see so many people having different problems. I was running Vista 64bit previously and had no trouble with adobe flash, but once I installed win 7 64bit, I could not run adobe flash and adobe website popped up, tell me that I need run 32 bit IE. However, I can use google chrome to run adobe flash under win 7 64bit environment…
any thoughts?
I can’t get Flash (CS4) to run properly at all in Windows 7 (64 Bit).The compatability modes don’t help at all.I am using a new Dell Studio XP.I am going to install the 32 bit version and see if I get better results. One thing is sure; the more you search the less there is that is definitive on this issue.
For what it is worth – i just migrated to windows 7 x64 and have acrobat 8 running fine – trick was to get into the cd and find the setup.exe (not autoplay.exe) and use Run As Administrator to do the install – would not install pdf printer on initial install but update to 8.1.3 got everything in order – no problems since then – NO luck with Flash except in 32 bit Internet explorer
This batch command works in XP and in Windows 7 32-bit, but not in Windows 7 64-bit:
@echo off
REM
REM Set location to install to. (This dir must exist or install wont work!)
REM
set INSTLOC=”c:\producthelp”
REM
REM Install help.
REM
AdobeAIRInstaller.exe -silent -eulaAccepted -location %INSTLOC% “Product Help.air”
(product name replaced with Product.)
If anyone can explain what’s wrong with this command, I would be very grateful indeed.