When discussing Windows 10 Version 1507 (codenamed "Threshold 1" or the original Release to Manufacturing/RTM build), specifically the 32-bit (x86) ISO, the most helpful feature to highlight is its
For the 32-bit (x86) architecture, version 1507 has lower resource demands compared to modern Windows 11 builds: Processor: 1 GHz or faster (must support PAE, NX, and SSE2). Minimum 1 GB.
, regardless of how much is physically installed in the machine. Smart Computers Hardware Support Intel Atom, Celeron, and Pentium processors from the Bay Trail, Cherry Trail, and Braswell
Theoretically, yes. Windows Update would attempt to upgrade to 1511, then 1607, etc. But since update servers for 1507 no longer work, you would need to manually download a newer ISO (e.g., 22H2 32-bit) and perform an in-place upgrade.