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Windows 7: IE 64Bit

08 Dec 2010   #1

7 Pro. 64Bit w/SP1
IE 64Bit

I've read alot of pages & comments as to why IE 64Bit shouldn't be the default. But for some, we want/need to use it & I cannot find ANY explaination as to how to make this happen.

W/my keyboard, I just press 1 key & IE opens, in it's 32Bit flavor. The only way for me to try the 64Bit flavor, is to navigate to: C:\Program Files\Internet Explorer & double-click iexplore.exe.

How do I make IE 64Bit the default & have it open when I press the keyboard's Internet key?

My System SpecsSystem Spec
08 Dec 2010   #2

Windows 10 Pro x64, Arch Linux

You can't make x64IE the default browser
My System SpecsSystem Spec
08 Dec 2010   #3

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86

64 bit IE cannot be made default browser and that is by design.

Q: Why isn't 64bit IE the default browser? Why can't I set the 64bit version of IE as the default browser?

A: This was an explicit choice made by the IE team, which may change at some point in the future. The problem is that users might inadvertently get "stuck" using the 64bit version and not realize it. This might cause some problems.

Q: Why? What does not work properly with 64bit IE?

A: Browser addons, including BHOs, Toolbars, and ActiveX controls, must generally be the same bitness as IE itself. So, if you are running a 64bit version of IE, any site that uses, say, Adobe Flash, isn't going to work until you install the 64bit version of the addon. Sadly, almost no browser addons are currently available in 64bit versions, although that's somewhat likely to change in the future as 64bit Windows becomes more prevalent.

There are two 64bit add-ons that I do recommend:

The 64bit version of Ralph Hare's most excellent mouse gestures addon
My x64 button, which allows you to easily recognize 64bit IE and reopen the current page in 32bit IE
Notably, in IE9 there's one other major difference between the 32bit and 64bit versions of IE. IE9 includes a new script interpreter which is much faster than the script interpreter in IE8. However, 32bit IE also includes a Just In Time (JIT) script compiler which converts script into machine code before running it. There is no JIT compiler for 64bit IE. So, for benchmarks like SunSpider (and script-heavy sites) 32bit IE9 runs script up to 4 times as fast as 64bit IE9 (which itself runs script around 5x as fast as IE8). So, you could end up paying a significant speed penalty when using 64bit IE9 vs using the default 32bit version..
Source: Q&A: 64-Bit Internet Explorer - EricLaw's IEInternals - Site Home - MSDN Blogs
My System SpecsSystem Spec

08 Dec 2010   #4

Windows 8.1 Pro RTM x64

Whilst it is true that the 32-bit version of IE is the default, it is possible to change it so that the 64-bit version opens instead when the appropriate key is pressed on the keyboard (assuming, of course, that the keys can be reprogrammed). This does not affect the default association from other programs, i.e. email clients.

Open the keyboard configuration program and select the Key Settings tab (this is the IntelliType interface).
IE 64Bit-capture.png

Select (highlight) Web/Home and click Configure...
IE 64Bit-capture1.png

Click on Start a program, Web page, or file and then click Next.
IE 64Bit-capture2.png

Either browse to, or type into the box, one of the following options:


C:\Program Files\Internet Explorer\iexplore.exe

32-bit (this is the default if you select Starts Web browser above)

C:\Program Files (x86)\Internet Explorer\iexplore.exe

Finally, click Finish and OK to close the dialogue panels. When you next press the appropriate key on your keyboard, it will open the selected version of IE.

My System SpecsSystem Spec

 IE 64Bit

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