Since Windows 8.1 is officially retired, it is highly recommended to move to a supported operating system:
Because Microsoft never released an official "AIO" ISO, any file found online with this description is . windows-8-1-aio-full-version-download-2023
Microsoft no longer provides technical assistance or software updates. Since Windows 8
"Full Version" often implies the OS is pre-activated with cracked licenses, which is illegal and can be disabled by Microsoft at any time. Since Windows 8.1 is officially retired
Modified ISOs may have essential system components removed to save space, leading to frequent crashes. Official Way to Get Windows 8.1 (Legacy)
If your hardware is too old for Windows 11, Linux Mint is a free, fast, and secure alternative that looks very similar to the traditional Windows desktop.