Unofficial "updated" builds sometimes include integrated drivers for USB 3.x and NVMe storage, which is essential for installing Windows 7 on more modern hardware that the original 2009 release does not support. Important Considerations
Many AIO versions include both 32-bit (x86) and 64-bit (x64) versions, allowing you to install the correct one for different hardware from the same bootable media. Windows 7 AIl in One May 2017 ISO Download
How to Download Windows 7 Safely and Install It Easily - ITarian Windows 7 AIl in One May 2017 ISO Download