If your PC has 4 GB or more RAM, you need the 64-bit version. If you are unsure, select "Both" – the tool will download both 32-bit and 64-bit, but you need a larger USB drive (16 GB).
Set your based on your target PC’s hardware: Select GPT if your target system uses modern UEFI firmware.
Your PC will no longer receive security updates, making it more vulnerable to modern threats. If your hardware supports it, Microsoft recommends upgrading to a newer version like Windows 10 . Create installation media for Windows - Microsoft Support
Windows 8.1 Update for x64-based Systems (KB2919355) - Microsoft windows+81+download+64+bit+media+creation+tool+link
Scroll down to and choose "Windows 8.1" (this usually includes both Home and Pro). Select your preferred Language .
⚠ Note: Mainstream support for Windows 8.1 ended in January 2023, but the tool and ISO files remain functional for existing license holders.
Microsoft has redirected this page over time. As of this writing, the link above is the correct legacy portal for Windows 8.1. If it redirects to a Windows 10 or Windows 11 page, you may need to use a user-agent switcher (explained below) or download the tool directly via Microsoft’s Software Download archives. If your PC has 4 GB or more RAM, you need the 64-bit version
Since the Media Creation Tool is retired, follow these steps to get the official image:
Be extremely cautious of any website claiming to offer a “Windows 8.1 Media Creation Tool 64-bit download.” Most are fake or bundle adware/malware. Only trust the official Microsoft domain ( microsoft.com ).
If you still need the official ISO, follow the user-agent trick on Microsoft’s page above – it remains the only legitimate “Windows 8.1 download 64-bit media creation tool link” replacement. Your PC will no longer receive security updates,
The open-source USB utility features an integrated script capable of querying Microsoft’s legacy servers directly to fetch official ISO files.
A 64-bit (x64) operating system can utilize more than 4GB of RAM, allowing for faster performance and better multitasking.
For any additional help, visit the Microsoft Community forums or search for “Windows 8.1 installation media” on Microsoft’s support site.
Microsoft no longer provides a standalone because support for the operating system officially ended on January 10, 2023 . However, you can still download the official ISO file directly from the Microsoft Download Windows 8.1 page and create your own bootable media. How to Download and Create Media