Repacks can contain pre-installed malware, keyloggers, or backdoors.
Repackers often disable Windows Update or Defender to save resources, leaving your system exposed to Day 1 exploits. Embedded Malware: windows 10 build 23100 repack
Removed pre-installed junk like Candy Crush, Xbox (optional), and unnecessary OneDrive integrations. Repacks can contain pre-installed malware