There are two versions of Internet Explorer 10 in Windows 8—a Metro app and a desktop app. Both share the same rendering engine and, unsurprisingly, perform identically on the same hardware. The only difference is UI, and the fact that Metro’s IE will not run plug-ins like Adobe Flash or Microsoft’s own Silverlight.

To reflect the distinction between the Metro version of IE and the desktop version, both Metro and the desktop retain separate default browser settings—you can run Firefox or Chrome as your default browser on the desktop and stick with IE in Metro, but you can also specify desktop browsers as the default Metro browser, meaning that links clicked in Metro apps like Mail will dump you to the desktop to open rather than stay in the Metro interface. Oddly, if you decide not to use IE as your default Metro browser, the IE completely disappears from Metro, and it takes a trip into the desktop Internet Settings control panel to re-enable it.

The Metro version of IE is a minimalist, touch-centric affair—the address bar is located at the bottom of the screen, and will disappear from view when it’s not being used. While typing in the address bar, IE will display a tiled list of your most frequently visited sites, as well as sites that you have “pinned” using the address bar’s pin button—these pinned sites will also show up on the Start screen. The address bar also has the requisite Back, Forward, and Refresh buttons, as well as a Tools button that will let you search the current page or open the page in the desktop version of IE (the desktop version contains no such button to open pages in Metro mode, at least for now).

The most consistent way to bring up the address bar on a PC is by using the Windows + Z keyboard shortcut that we discussed earlier, which will also bring up Metro IE’s tab interface, which displays big, clickable thumbnails of all your open tabs. You can also open new tabs, clean up your tabs (which closes all but the active tab), or open a new InPrivate browsing tab, which is clearly marked with a blue “InPrivate” icon.

The desktop version of IE looks more or less like IE9, though of course the UI hasn’t necessarily been finalized at this point. One of the only noticeable differences is the presence of a Metro-style scrollbar on pages that require one. Also new is an “Install new versions automatically” checkbox in the About Internet Explorer page, reinforcing Microsoft’s desire to get and keep Windows users on the most current IE version their operating system supports. There’s no evidence that Microsoft plans to move to the rapid-release cycle that Google and Mozilla have both adopted (such a decision would give enterprise IT managers apoplexy), but this sort of functionality would theoretically make it possible.

Benchmarks

Now, let’s peek under the hood and get a few performance numbers. According to these basic tests, IE10 is faster than IE9 by a noticeable margin, but it can’t quite catch up to the current versions of Firefox or Chrome. These benchmarks were all run on the Dell Latitude E6410 that served as my main Windows 8 machine for this review.

Kraken JavaScript Benchmark 1.1

v8 JavaScript Benchmark v6

Interestingly, all browsers performed the v8 benchmark slightly faster in Windows 8. The difference isn’t huge—just a few hundred points in both cases—but it is both consistent and measureable, and I thought it interesting that the OS update slightly improved the performance of these third-party programs. Kraken scores were consistent across Windows 7 and Windows 8.

The New Task Manager Windows Recovery Environment and Secure Boot
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  • jardows2 - Saturday, March 10, 2012 - link

    This "new" Metro interface seems quite reminiscant of the Windows 3.1 Program manager. I actually prefer the program manager to the start menu, it seemed better organized and more efficient to me. I'll have to give this a try!
  • Beenthere - Sunday, March 11, 2012 - link

    ...before I use Win 8.
  • bigboxes - Sunday, March 11, 2012 - link

    Ever try uTorrent?
  • androticus - Sunday, March 11, 2012 - link

    Please stop aping the Microsoft Marketing Machine (MMM) use of the term du jour, "fluid"--it is annoyingly littered throughout all their Win 8 materials, both promotional and technical. No one ever used this term to describe UI's before this new fetish introduce by MS. Please stop embarrassing yourselves by so slavishly following their lead. Thank you!
  • jabber - Sunday, March 11, 2012 - link

    I wouldn't call anything that involves me having to move far left and right across the screen to do stuff 'fluid'.

    Bloody stupid maybe.

    Fluid as in a full fishtank in the back seat of car maybe.
  • samgab - Sunday, March 11, 2012 - link

    I tried Win8CP for a day before I gave up on it and rolled back to Win7.
    Allow me to attempt to review it in three words:
    I hate it.
  • noname3 - Sunday, March 11, 2012 - link

    Nice article, but I disagree with some of the conclusions. Any program that goes full screen on my 30” monitor has to be either a game or a program that has some bugs in it. The whole premise of Windows is that you can control the size of the…Windows. This is a tablet oriented operating system pretending to be useful on the desktop.

    After >20 years of using and programming in Windows, I am seriously considering switching to a Unix variant. Enough of the Microsoft marketing bs, they have no respect for their legacy and they have completely alienated their strongest user base.

    The Windows 8 kernel is a gem, but any benefits are obliterated by the brainless UI. Good luck to them trying to sell this crap. Experienced users will want proper Windows, business are just upgrading to Windows 7, Apple and Android selling like hot cakes, they will only have some dedicated funs upgrading to this abomination, the future looks not very promising for them. This is the worst time to piss off their dedicated followers.

    The funniest thing is that they have applied the same brainless UI in the Windows Server 8 too. Using the UI over remote desktop does not activate the corner controls consistently and you end up using the console commands to achieve anything. If this is what I have to do why should I not use a Unix OS? If I have to learn how to use computers from scratch and basically keep searching for everything and memorizing shortcuts, I may as well move to Linux, there is no difference.

    I installed Vista since the “beta” days and I found it more functional than XP (maybe I am the only one) but I likes it a lot (even though I found a lot of the controls scattered all over the place). Then Windows 7 came out and it was what Vista should be and so far I think it is the best OS, unfortunately it is the last one too. I am not going to wait until 2015 or 2020 for Microsoft to get their act together, I have a career to maintain.

    Microsoft has turned the UI over to a bunch of marketing clowns chasing Apple and Google. I do not like this circus-type company anymore, Sinofsky and Ballmer need to get fired soon and get some serious and creative people at the top, enough we those “me too” mappets.
  • thebeastie - Sunday, March 11, 2012 - link

    I say you will be able to download a dodgey complete release in late July more likely August.
    But I dont think you will see a Tablet in a store with Windows 8 on it until December, part of my gauge for that is that MS stock price has gone up %25 in the last 3 months and its ALWAYS about the money when it comes to MS releasing important new revenue generating software, sorry to you naive tech heads.
    Just match the release dates in the past to their stock chart when its flat to dropping, it fits great, its that simple.
  • Robo2k - Sunday, March 11, 2012 - link

    ...and Microsoft tells you: "Your future computer experience: keyboard shortcuts"

    SERIOUSLY????

    I mean they did so many things right with Win 7, now they're talking a huge step backwards in time. With defacto nonexistent multitasking, keyboard shortcuts and a terrible waste of screen real estate.

    Never an OS has looked so damn stupid.

    Hopefully the many issues will be corrected util it goes gold.
  • jabber - Sunday, March 11, 2012 - link

    I must admit I never ever got into using shortcuts. Should I have done? I started using a mouse when I was 16 when I got a Mac 512k and thought I was supposed to use that for getting around. I found it far more useful than using the keyboard.

    Today I still only use the keyboard for entering text like I am now. The rest of the time its trackpad or mouse. I don't know any of my customers that use them either.

    Now I'm having to learn Windows 8 (well I'm going to have to support my customers aren't I going forward) and having to learn all the keyboard shortcuts.

    Just feels like going backwards.

    I guess my training/install costs will have to rise as it's going to take more than the usual 5 minutes explaining Libraries and Shutdown in Windows 7 migration.

    Plus at the end of the day...who wants to buy a Windows Tablet?

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