Download and install Windows 8.1: from ISO, installer

Download and install Windows 8.1: from ISO, installer

Windows 8 is compatible with all PCs running under Vista and in this article we will give you step-by-step instructions on how to install Microsoft's Windows 8 operating system on your PC.

What are the hardware requirements?

Here are the minimum hardware specifications required:

  • Processor: 1 GHz or higher
  • Memory: 1 GB or more for 32-bit versions, 2GB or more for the 64-bit version;
  • Disk space: 16 GB or more for 32-bit, 20 GB or more for 64-bit version;
  • Graphics Card: DirectX 9 compatible;
  • Additionally: a trackpad or multitouch screen/tablet to use touch interface.

Note: PCs prior to 2005 may have a processor that does not support SSE2, PAE and NX bit functions, required by Windows 8.

How to download and install Windows 8 via the installer?

You can use the installer version of Windows 8 Consumer Preview or download an ISO image from the Microsoft website.

  • Go to this page, select Windows 8.1 from the drop-down menu and finally click on Run.

  • The application then determines whether your PC is able to run Windows 8 Consumer Preview and provides the appropriate download.
  • The installation program also offers a compatibility report and update support features.
  • If some items are not 100% compatible, you can also visit the online compatibility center.
  • A registration key is provided on the download page.
  • Note it down carefully or copy/paste it into the document (in Notepad for example).
  • You will be asked for it later. Click Next to start the download of Windows 8.
  • Two versions are available: 32-bit and 64-bit.
  • The downloaded version will be the same type as the operating system you are running.
  • Once the installer is downloaded, a dialog box prompts you to begin the installation.
  • Select Install Now to put Windows 8 on the active partition or install it on another partition.
  • Then click Next and follow the instructions given by the wizard.

How to download and install Windows 8 using the ISO image?

  • Visit this page and download the version you want to install.
  • Once the ISO image is downloaded, burn it to a DVD.
  • For your information, if the download was performed on a computer running Windows 7, simply double-click on the ISO file to start the burning procedure.
  • Insert the DVD containing the ISO image in the drive and restart the computer.
  • Press a key when prompted to boot from the DVD.
  • Then simply follow the on-screen instructions to install Windows on the partition of your choice.