If your PC originally came with Windows 8.1, you can likely upgrade to Windows 10 or 11 for free using the same product key. The Windows 10 Media Creation Tool (still available from Microsoft) will accept a valid Windows 8.1 key during installation.
Before we provide the link, understand the risks. Third-party websites often offer "Windows 8.1 ISO 64-bit direct download," but many contain malware, adware, or modified files. is using Microsoft’s own Media Creation Tool . windows+81+download+64+bit+media+creation+tool+link
: If your hardware supports it, you might still be able to upgrade from Windows 8.1 to Windows 10 for free if you have a linked digital license. for a Windows 10 or 11 upgrade instead? If your PC originally came with Windows 8
Once, a simple visit to the Microsoft Software Download page provided the official (MCT). Today, users often find the direct download links for the 8.1 version of this utility missing or retired. The modern "story" usually follows one of these paths: Third-party websites often offer "Windows 8
The tool will now download the full Windows 8.1 64-bit files from Microsoft’s servers. This can take 20 minutes to 2 hours depending on your internet speed. Once complete, you will have a bootable Windows 8.1 64-bit installation media.
As of May 2026, the is no longer available for direct download from the official Microsoft software download website . While the software itself reached its end of support on January 10, 2023, you can still obtain the installation files for clean installs or repairs through alternative methods. Current Status of Windows 8.1 Downloads