Let’s assume, hypothetically, you find a "clean" version of DG MS Activator that hasn't been tampered with. Why is it still a bad idea beyond malware?
The DG MS Activator typically employs a hybrid approach:
Some versions of DG MS Activator also add registry entries to disable Windows Update or block Microsoft’s activation validation checks.
Windows 10 and 11 do not lock you out after the trial period. You lose personalization options (wallpaper, themes) and a small watermark appears, but all critical updates and core functionality remain. This is 100% legal.