Choose "GPT" for newer UEFI computers or "MBR" for older BIOS-based machines. Start: Click start and wait for the process to finish. Is Windows 8.1 Still Safe to Use?
Microsoft no longer provides security patches, bug fixes, or technical support. App Limitations:
Accept the license terms and click . You will be presented with two choices:
Check the box that says: Click Apply . Conclusion windows 8.1 iso
Once you have your Windows 8.1 ISO, you can create installation media to use on your PC.
Rufus is a fast, free, and reliable tool for creating bootable USBs. Download and open Rufus (no installation required). Insert your USB drive. Click "Select" and choose your downloaded . Keep the default settings (GPT for UEFI or MBR for BIOS). Click Start to create the bootable drive. Installing Windows 8.1 via ISO
If you tell me what kind of computer you are installing on, I can recommend: The exact driver resources How to fix potential installation errors Choose "GPT" for newer UEFI computers or "MBR"
It features the "Metro" UI designed for touchscreen, plus a classic desktop environment.
Once you have the ISO file, you can’t just copy it to a thumb drive. You need to "burn" it so the computer can boot from it.
(like VirtualBox or VMware) to run Windows 8.1 inside your current OS. Why You Might Need a Windows 8.1 ISO in 2026 Microsoft no longer provides security patches, bug fixes,
: Before capturing, run cleanmgr to perform a "Deep System Cleanup" of obsolete update packages to keep the final ISO size small.
If the official Microsoft site is difficult to navigate, the third-party utility has a built-in feature to download ISOs directly from Microsoft’s servers.
Before you wipe your drive, make sure you have these three things ready:
The popular utility Rufus can often download official Windows ISOs directly. Users can select "Download" instead of "Select" within the app to fetch various versions of Windows 8.1.