Windows 7 All-in-One (AIO) refers to a custom installation image that combines multiple versions of Windows 7 (such as Home Basic, Professional, and Ultimate) into a single ISO file or bootable media. As of April 2026

When Microsoft released Windows 7 in 2009, it arrived in six distinct editions: Home Basic Home Premium Professional Enterprise

Stock Windows 7 does not support USB 3.0, NVMe SSDs, or UEFI (GUID Partition Table) booting. High-quality AIO builds often include: