How do I tell if I am using a 32 bit or 64 bit version of IE?
I have been asked, by Tracker Software Support, if I am using a 32 bit or 64 bit version of Internet Explorer (IE), but I don't know. How can I find out?
Microsoft Windows 64 bit Operating Systems ship with 2 versions of Internet Explorer, 32 and 64 bit.
Simply go to the Help --> About Internet Explorer, window and look for "64-bit Edition" If it is absent you are running the 32 bit version of IE.
32-bit Internet Explorer
64-bit Internet Explorer
In later versions of Internet Explorer (10 + 11), Microsoft changed the way that this works. If you have a 32-bit installation of Windows, then you will be using 32-bit Internet Explorer,
If, however, you have a 64-bit installation of Windows, then it gets a little more complicated. As you can see from the screen-shots below, when first installed, Windows comes with Internet Explorer built in and, also by default, will install both the 32-bit and 64-bit application:
Ordinarily, Internet Explorer starts the 64-bit process, but sometimes Starts the 32-bit Process if the tabs/windows you open require it.
As you can see here, There is one 64-bit process, which is the main "frame":
and 2 of the tabs are 32-bit:
By downloading Process Explorer, then searching for Internet Explorer. You can tell whether or not the processes are 32-bit
A 32-bit application will run from within Program Files (x86 [32-bit]).
You can also right click the process and hit "Properties" in Process Explorer, then look for the image type, this method is more concrete:
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