How to download Windows 10 it’s super easy to download! I have provide the download links down below only for the English (United States) version of Microsoft’s Windows 10 Technical preview. I have also provided the product key too! If you are in a different country then got to this link here. I just provided the English version so it will save you some time. If you want to install windows 10 through boot camp or through VirtualBox.
Download Windows 10
Product key: NKJFK-GPHP7-G8C3J-P6JXR-HQRJR
-English Windows 10 Technical Preview (x64)
-English Windows 10 Technical Preview (x86)
Hopefully this help you install Windows 10 if you need help feel free to leave a comment and I will try my best to answer back.