Level 30
Content Creator
You could try using's Winodws 7 OEM License Instaler.
You can do the same with Windows Loader and similar tools. But often, websites that offer downloads of Windows Loader, actually link to malware or adware rather than Windows Loader. The tool from only does OEM activation of Windows 7 and does not include any features to activate Windows 7 on computers which don't have a license for it.