Download Microsoft Windows 8.1
Windows 8.1 Preview ISO files (.iso) are provided as an alternative to downloading
Windows 8.1 Preview through
Windows
Store. You should only use the ISO files if you are an advanced user
and want to install the preview on another partition, another PC, or a
virtual machine.
How to install Windows 8.1 Preview from an ISO file
To install Windows 8.1 Preview from an ISO file, you must first convert the ISO file into installation media stored on a DVD or a USB flash drive.
If you're using Windows 8, follow these steps to install Windows 8.1 Preview from a
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