For hardware where 64-bit architecture isn't suitable, the 32-bit (x86) version offers lower resource overhead: : 1 GHz or faster CPU or System on a Chip (SoC).
A 32-bit OS can only utilize a maximum of 4GB of RAM. If the machine has more, it will not be used. Software Compatibility: windows 10 enterprise ltsc 21h2 32 bits
Technical Overview: Windows 10 Enterprise LTSC 2021 (21H2) 32-bit For hardware where 64-bit architecture isn't suitable, the
The support lifecycle for the 21H2 LTSC release depends heavily on the exact licensing tier being used: Windows 10 Enterprise LTSC 2021 windows 10 enterprise ltsc 21h2 32 bits