Since Microsoft has not officially released Windows 12, any "Windows 12 ISO" currently found online is likely:

Only download ISOs from microsoft.com domains.

This is the safest method to get a clean, legitimate Windows installation file.

: There is currently no official release, beta, or Insider Preview build for Windows 12. Fake ISO Warnings

: Malicious software designed to steal personal info, banking details, or credentials.

For hardware testing (GPU, Wi-Fi, Bluetooth):