you have already downloaded from third-party "crack" sites.

: You can actually use Windows 11 without a key indefinitely. You will only have a watermark on the desktop and restricted "Personalization" settings (colors/wallpapers). This is infinitely safer than using a crack. 🛠️ Recommended Action Plan

: These downloads often contain Trojan horses that steal your passwords, banking info, or use your PC for crypto-mining.

(Windows Defender or Malwarebytes) if you executed any files. Visit the Official Microsoft Page : Download Windows 11 .

The search term you provided is a classic example of used by cybercriminals.

: Best for upgrading your current PC.

: Best for performing a "clean install" via a USB flash drive (at least 8GB).