The base for this release is Windows 10 Version 21H1 (Build 19043), which Microsoft launched as a stability-focused "minor service update". Key Official Features
: This indicates that the installation media contains 16 different editions of Windows 10 (such as Home, Pro, Education, and Enterprise) within a single ISO file. windows 10 21h1 16in1 enus x64 integral edit hot
Each part of the name provides specific technical details about the software package: Windows 10 21H1 : Refers to version The base for this release is Windows 10