One USB drive can service older machines (Windows 7) and the latest hardware (Windows 11).
This could refer to:
Even though the ISO contains multiple versions, you still need a valid product key for the specific version you choose to install. Windows 7 10 11 X64 21H2 PRO OEM ESD en-US APRI...
In software release cycles:
If you absolutely need Windows 7 for legacy software, run it in a (Hyper-V or VMware) on a legitimate Windows 10/11 Pro host. Do not install it as a primary OS. One USB drive can service older machines (Windows
Public distribution of OEM ISO files is a gray area. OEM licensing requires the software to be preinstalled on a new PC for resale. Downloading an OEM ISO for personal use violates the Microsoft Software License Terms, though the media itself is often identical to retail bits (only the product key differs). Do not install it as a primary OS