If you would like to install Windows 8.
Try redownloading from the email link.
Solved How to redownload your Windows 8 Upgrade setup D/L.
Quote: Originally Posted by Your Windows Store email
If you need to download Windows, write down your new product key and enter it here.
Than make the ISO, & burn to DVD or USB pendrive.
Create Bootable USB or DVD with Windows 8 ISO
Try a upgrade install from the DVD:
Upgrade Install from Windows 7 or Vista to Windows 8
Try a clean install.
SSD / HDD : Optimize for Windows Reinstallation
Clean Install - Windows 8