Read before downloading...

Microsoft Windows 8.1 Preview

Windows 8.1 brings together everything you do – from new mobile apps for your business, to Office productivity work, to searching and browsing, to accessing all your data from anywhere. . Learn what's new on this latest version.

This file has to be downloaded directly from an external mirror (official website).
To continue downloading, you can click here. The site will open in a new window.

While you download, a few facts

  • Thank you for choosing TechSpot as your download destination.
  • Microsoft Windows 8.1 has been downloaded 19,449 times so far.

More about Microsoft Windows 8.1

When you download the ISO, you'll need to enter this product key: NTTX3-RV7VB-T7X7F-WQYYY-9Y92F.

How to Install the Update

Follow these steps to download Windows 8.1 Preview via the Store (standalone ISO will be available soon):
  • Tap or click Get the update on this page, and then follow the instructions.
  • Restart your PC when prompted, and then tap or click the message that appears to get the update from the Windows Store.
  • In the Store, follow the instructions to download and complete the installation.


Your Windows experience works across all your devices – from the best business tablet, to a thin and light notebook, to your high-performance workstation or all-in-one, whether you are at home, in or around the office, or working on the road. Read more.

Follow TechSpot

Subscribe to our Newsletter

Get weekly updates from TechSpot in your mailbox and never miss what's happening in the world of technology.