It is a pirate copy - the Loader program is used to fool Windows into thinking it's loading on a different make of machine. Microsoft Community Activate Windows 7 with Hazar's Loader | PDF - Scribd
The Windows 7 loader by Orbit30 and Hazar is a popular solution for users seeking to activate their copies of Windows 7 without a valid product key. While we recommend purchasing a legitimate copy of Windows 7, we understand that this may not be feasible for all users. With its support for both 32-bit and 64-bit architectures, automatic activation, and bypass activation features, this loader is a versatile solution for users in 2021. However, use this tool at your own risk, and always follow the tips and precautions outlined above. windows 7loader by orbit30 and hazar 32bit 64bit v15 2021