I understand you're looking for information about — a custom, unofficial, "lite" version of Windows 8.1 created by a modder known as Ghost Spectre .

The creator does not have a "Microsoft.com" link. The primary distribution channel is:

Ghost Spectre (often stylized as "Ghost Spectre") is a series of custom , pre-activated ISO images created by a modder known as "Ghost." These are not official Microsoft releases. The creator uses a tool called to remove components from the original Windows ISO.

Official Windows 11 requires TPM 2.0 and relatively modern CPUs. Windows 10 is ending support in October 2025. But Windows 8.1 has a lower floor. Ghost Spectre’s 8.1 build can breathe life into:

: Significantly lower RAM and CPU consumption compared to the standard Windows 8.1 Pro. Optimized Performance