Windows 8 Enterprise & Windows 8 Enterprise Evaluation users will need to download the Windows 8.1 Preview ISO files following this link.

Windows 8.1 ISO download A user on Reddit, called TOM has posted a little trick that lets a Windows user download the Windows 8.1 ISO using a legitimate retail Windows 8 product key.

Windows 8 users who want to upgrade to Windows 8.1 without having to go through the Windows Store can use this trick to download the ISO with the Windows 8 product key.

If you still need Windows 8.1, follow one of the methods listed here to download it today for free.