Microsoft never released an official "All-in-One 32/64-bit" ISO to the public. The only official ISO from Microsoft is the Media Creation Tool (retired in 2020) or the Digital River SP1 base images (dated 2011).
The term "AIO" (often mis-typed as "AIl") refers to an ISO image that contains of Windows 7 within a single installation file. Unlike a standard OEM or Retail disc (which holds only one version like "Home Premium" or "Professional"), an AIO ISO typically includes: Windows 7 AIl in One 32 64 Bit ISO May 2019 D...
A , however, is a customized compilation that includes multiple editions of the operating system within a single bootable image. When you boot from a May 2019 AIO ISO, you are typically greeted with a menu allowing you to select which version you wish to install. Unlike a standard OEM or Retail disc (which