Download Internet Explorer 10 (IE10) Platform Preview 4 (PP4) for Windows 8 – Even More Support for HTML5 Technologies

Last Updated on Tuesday, 29 November 2011 01:50 Written by admin Tuesday, 29 November 2011 01:45

Yes, Internet Explorer 10 also supports Windows 7, but the last two platform previews can only be tested on Windows Developer Preview.


Speaking of which, testers can now download a new Platform Preview, the fourth, of Internet Explorer 10 for Windows 8. IE10 PP3 was included into Windows 8 Developer Preview. Click here to download IE10 PP4 for Windows 8.


An updated platform preview of IE10 for the     Windows Developer Preview is now available for         download. This IE10 preview adds even more support for HTML5 technologies,    enabling richer Web applications with significantly improved performance. IE10’s    hardware acceleration of technologies like SVG, CSS3 transforms and animations delivers    faster rendering than other browsers, as highlighted in this short video.

See some of the new HTML5 capabilities, performance improvements in IE10.

With this fourth Platform Preview, developers can start    working with more site-ready HTML5 technologies. You can read the full list         here in the IE10 developer guide. Here are a few highlights:

  • Cross-Origin Resource Sharing (CORS) for safe use of XMLHttpRequest across domains.
  • File API Writer support for blobBuilder allowing manipulation of large binary objects        in script in the browser.
  • Support for JavaScript typed arrays for efficient storage and manipulation of typed        data.
  • CSS user-select property to control how end-users select elements in a Web page        or application.
  • Support for HTML5 video text captioning, including time-code, placement, and captioning        file formats.

These foundational capabilities are what developers building native applications    depend on: working with binary data and files, controlling selection and hit testing    in application UI, and providing accessible video content with captioning. The features    in this platform preview are available to Web pages now, and will be available to    Metro style applications in Windows 8.

Building HTML5 Applications

This IE10 preview supports CORS (cross    origin resource sharing) to allow developers to use XMLHttpRequest to safely    request, share, and move data across applications on different domains. This is    a common pattern developers use to bring data and services together from different    applications. In this        test drive demo, you can see how CORS is used along with XMLHttpRequest,    the File API, and HTML5 progress control to deliver a smooth experience for uploading    multiple files to a service on another domain.

Screen shot of IE Test Drive demo Cross-Site Update showing four image files being uploaded in response to a file drop on an HTML5 target element.

Click here to see    CORS used with XMLHttpRequest to upload files across domains.

Having the ability to work with binary data and files enables developers to build    new kinds of applications and experiences on the Web. This IE10 preview supports    blobBuilder from File API: Writer    for working with large binary objects (blobs) and JavaScript typed arrays. In this test drive demo,    you can see how different file types, including file types which are not natively    supported in the browser like PCX files can be read, rendered, and even have their    internal contents displayed.

Screen shot of IE Test Drive demo Binary File Inspector showing a hex dump of a PCX file and a rendering of that file using HTML5 canvas and JavaScript.

Click here to    see how JavaScript typed arrays used with File APIs to read and view binary files.

As developers build more sophisticated applications on the Web, they have more need    for precise control over how end-users select parts of the page. With CSS user select    support in IE10, developers can specify which elements in their page can be selected    by the consumer when using their applications. In this         this test drive demo, you can see how selection control is applied in a    sample blog application using the user-select property in a CSS rule.

Screen shot of IE Test Drive demo User-Select showing the markup needed to restrict text selection to a portion of the Web page.

Click here to    try CSS user-select to control end-user Web page selection.

Improving Same Markup for HTML5

We continue to contribute to the     test suites under development at the HTML5 standards bodies, submitting         118 new tests to them, to further the goal of interoperability and same    markup. You can view them at the IE Test Center as well. We strongly encourage all    developers to write for HTML5 standards first by always using the HTML5 doc type    <!DOCTYPE html> in your pages.

IE10 Preview 4 introduces an updated     quirks mode that is more consistent and interoperable with the way quirks modes    works in other browsers like Firefox, Chrome, Safari, and Opera. This updated quirks    mode supports quirks for page layout, while allowing use of more up-to-date standards    features like HTML5 elements for audio, video, canvas, and more.

You can find a full list of new functionality available to developers in the IE10    developer guide here.    Download the Windows 8 developer preview    to try this update to IE10. We look forward to continued engagement with the developer    community and your feedback on Connect.

Rob Mauceri, Group Program Manager, Internet Explorer


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Download IE10 Platform Preview 2, the Same HTML5 Engine in Windows 8

Last Updated on Thursday, 30 June 2011 10:33 Written by Mire_B Wednesday, 29 June 2011 12:33

Here is the download link for Internet Explorer 10 Platform Preview 2. IE10 is built in paralel with Windows 8, and will be included in the RTM Build of Windows 8. Microsoft’s recent public demos of Windows 8 featuring IE, were actually showcasing IE10.


From the IE Blog:

IE10 Platform Preview 2, the same HTML5 engine seen in the recent  public “Windows 8” demos, is now available for download.  With this update, IE10 continues to deliver support for site-ready HTML5  technologies as well as improving performance:


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First IE10 Downloads Live – Platform Preview 1

Last Updated on Tuesday, 12 April 2011 11:08 Written by Mire_B Tuesday, 12 April 2011 11:08

Some might have seen them coming, other might have not… Either way, the first Internet Explorer 10 downloads are live. Don’t expect too much though, this is just the first Platform Preview of IE10. Others will follow. IE10 PP2 will succeed 10 PP1 in about 8 to 12 weeks. Also don’t expect IE10 PP1 to be very usable. The Platform Preview is just what it promises to be, the IE10 platform, meaning that there are no UI elements, no end user features, and so on and so forth.


From the IE blog:


IE10 Platform Preview 1, available for download today is the first step in delivering the next wave of progress    in native HTML5 support. Web sites and HTML5 run best when they run natively, on    a browser optimized for the operating system on your device.

We built IE9 from the ground up for HTML5 and for Windows to deliver the most native    HTML5 experience and the best Web experience on Windows. IE10 continues on IE9’s    path, directly using what Windows provides and avoiding abstractions, layers, and    libraries that slow down your site and your experience:



The only native experience of the Web and HTML5 today is on Windows 7 with IE9.    IE9’s approach to taking advantage of what the operating system offers – from the    native graphics stack to jump lists in the shell – maximizes performance, usability,    and reliability. We released a fast, clean, trusted, and interoperable IE9 globally    for consumers and businesses four weeks ago with the goal of delivering the best    experience of HTML5. The best HTML5 is native to the operating system, so Web sites    have the fewest translation layers to pass through. The best HTML5 enables sites    to use the same markup – the same HTML, CSS, and script – across browsers. The best    HTML5 respects developers’ time and enables same markup by treating site-ready HTML5    differently from unstable technologies.

The IE10 preview continues what IE9’s first preview began a year ago:

“When we started looking deeply at HTML5, we saw that it will enable a new class    of applications. These applications will stress the browser runtime and underlying    hardware in ways today’s Web sites don’t. We quickly realized that doing HTML5 right    – our intent from the start – is more about designing our browser’s subsystems around    what these new applications will need than it is about a particular set of features.    From the beginning, we approached IE9 with the goal of enabling professional-grade,    modern HTML5 support on top of modern hardware through Windows.

“At the MIX conference today,    we demonstrated how the standard Web patterns that developers already know and use    broadly run better by taking advantage of PC hardware through IE9 on Windows. This    blog post provides an overview of what we showed today, across performance, standards,    hardware-accelerated HTML5 graphics, and the availability of the IE9 Platform Preview    for developers.”

Native HTML5 and Real-world sites

Native HTML5 support in Windows with IE9 makes a huge difference in what sites can    do. We demonstrated real-world sites from the development community that a year    ago would have been possible only with a plug-in or application. These sites are    live now and show that the technologies as implemented in IE9 are production-ready    for consumers and businesses. Links are available at for you to try them out. These sites are proof of    progress on the goal of same markup and standards-based Web technologies. They run    in other browsers – just slower. As an industry, we’ve just started to see what’s    possible when sites can take advantage of these capabilities. The experiences may    be new today; they reflect what people will simply come to expect from sites in    the future.

An Early Look at IE10

We’re about three weeks into development of IE10, and based on the progress we’ve    made, we want to start engaging the development community now. At the MIX conference today, we showed the new browsing engine along with several    new browser test drives that anyone on the Web can try out. You can run these at to see emerging standards    like CSS3 Multi-column Layout (link),    CSS3 Grid Layout (link)    and CSS3 Flexible Box Layout (link),    CSS3 Gradients (link),    and ES5 Strict Mode in action. We also demonstrated additional standards support    (like CSS3 Transitions (link)    and CSS3 3D Transforms (link))    that will be available in subsequent platform previews of IE10, which we will update    every 8-12 weeks.

Also available are new test drive samples for today’s production browsers. For example,    Fishbowl is an update to the original FishIE tank that now uses more HTML5 technologies. Paintball is another great demonstration of what fully hardware accelerated    HTML5 Canvas delivers.

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