Microsoft is making Windows 10 Technical Preview an easy to download upgrade via automatic Windows Update for those running Windows 7, Windows 8.1, and previous build of the Technical Preview. However, the company is also publishing the ISO version of Windows 10 for download for those who opt to perform a clean install of the operating system on a new spare or virtual machine.
Having the ISO version of Windows 10, in this case for build 9926, is very useful for those who prefer to install the operating system on a dual-boot configuration using a virtual hard drive, because you cannot upgrade Windows 10 on a VHD – a clean installation will be required.
Downloading the Windows 10 build 9926 or later builds is quite easy; you only need to registered as a free member of the Windows Insider program. Then go to this web page to download the ISO files, Microsoft is making available build 9926 in twenty-five languages, including English, Chinese, Spanish, German, Arabic, and many more.
The Windows 10 Technical Preview ISO is also available in two flavors: 32-bit (x86) and 64-bit (x64). So it’s very important that if you’re trying to upgrade your system, you download the correct version. If your version of Windows 7, Windows 8.1, or Windows 10 is 64-bit, download the x64 version of the operating system or download the x86 version if your current operating system is 32-bit.
After you grabbed the ISO in your language and architecture, you can easily make a bootable DVD disc or USB drive using the Windows USB/DVD Download Tool. This is the product key to install Windows 10 Technical Preview: NKJFK-GPHP7-G8C3J-P6JXR-HQRJR, you’ll need it when performing a clean installation.