If you have a machine running Windows 7, you have better options than risking an activator.

Hazar’s 161d version was particularly famous because it utilized the injection method. It essentially tricked the operating system into believing it was running on an OEM machine (like a Dell or HP) that came with a pre-activated, "royalty" version of Windows. The "Lifestyle" of Tech Customization

7Loader 161D by Hazar works by exploiting a vulnerability in the Windows 7 activation process. When you install Windows 7, Microsoft requires you to activate the operating system to verify its legitimacy. However, with 7Loader 161D by Hazar, you can bypass this process and activate your Windows 7 operating system without providing a valid product key.