The "22-in-1" designation refers to the multiple versions available for selection during setup, categorized by architecture and activation method: 32-bit (x86) 64-bit (x64) Activation Options Home Basic Home Premium Professional Enterprise Ultimate
: This specific release is usually localized for English (US) . Windows 7 SP1 AIO 22in1 ESD NOV 2019 | PDF - Scribd
: Important and security-only patches through November 12, 2019.
: The installation uses the ESD (Electronic Software Download) format to compress the image, which is why 22 different versions can fit into a standard 4.4GB ISO.