For businesses or students, using such a tool could violate software compliance. For home users, Microsoft still provides free security updates for Windows 7 (ESU paid program ended in 2023 for most). Running an unactivated or cracked OS also means missing critical security patches.
Modifying the bootloader can lead to "Startup Repair" loops or total OS failure. windows7loaderv218daz 32bit64bit 64 bit install