If you have your own ISO (or your own Windows disc you can create an ISO from) then I would recommend you use this. The method we are using involves copying an ISO to a USB disc so that your computer runs it as if it were a DVD. Step 1: Download ISOĪn ISO file is bit-for-bit copy of the contents of a disc. This guide will install a trial version of Windows – you will need a valid licence key from Microsoft in order to activate it. You will need the computer you wish to install Windows on, another computer with an internet connection and Windows already installed, and a spare 4GB USB stick. This method is also suitable for dualbooting Windows on a Mac via Bootcamp.

This guide will show you how to get this media, how to put it onto a USB stick, and how to run the USB stick to install or repair your copy of Windows. How to perform a clean install of Windows from USB without a disc, and how to repair a corrupted install of Windows.įor either of these tasks, we need a copy of the original media that was used to install Windows.

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