A day ago, I wiped out my hard drive to re-install Windows 10. Here's the tutorial I created using a combo of Windows 10 Pro Preview from the Insider Program and Rufus.
Windows 10 Product Keys on the web:
http://www.grameen-info.org/free-windows-10-product-key-for-you/
Windows 10 ISO:
https://www.microsoft.com/en-in/software-download/windows10ISO
[New Tutorial] Official Way to Create Windows 10 Bootable USB Flash Drive:
https://www.youtube.com/watch?v=wzuCgm7dIEc
Windows 10 64 bit version is 3.7 G
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