In the download window that appears, select “Windows 8.1” from the list of available Windows versions. Rufus then connects to Microsoft’s servers to retrieve the latest available retail ISO.

This tool supports copying download links for use with third-party download managers, which is helpful for resuming interrupted downloads or accelerating the process on slower connections.

For newer hardware components using secure boot layouts, pick with a target system set to UEFI (non-CSM) .

Choose (or the K, KN, or Single Language editions if they match your original license) and click Confirm .

Once you have successfully obtained the Windows 8.1 64-bit ISO image file via the Rufus script or an official repository, follow these precise deployment steps to turn a basic flash drive into a fully bootable installer asset: System Prerequisites

Windows 8.1 includes a basic set of drivers, but specialized hardware requires manufacturer-specific drivers. Visit your computer manufacturer‘s support website to download and install the latest drivers for:

This usually happens due to firewall or internet issues. Disable temporary firewalls or try a different network.

Select this to save an ISO file to your computer, which you can burn to a DVD later.

Select the option that best suits your needs. If you choose USB flash drive, ensure your USB drive is connected and has at least 4 GB of available space. If you choose ISO file, specify a download location on your computer.

Save the ISO file to your computer. Note: The download link is temporary and expires 24 hours from the time of generation. How to Create Bootable Installation Media Without the Tool

Windows 8.1 requires a genuine 25-character product key (e.g., XXXXX-XXXXX-XXXXX-XXXXX-XXXXX) during or after installation. A Windows 8 key will also work.