Windows lean

Please can you confirm the Make Model and OS, along with any configuration details like touch screen, backlit keyboard, SFF or tower etc etc.

Dunno.

Surely an internet search would find it for you?

I run W11 Tiny,

learn.microsoft.com/en-us/answers/questions/1687502/where-can-i-find-a-safe-download-of-tiny-11-to-ins   a slightly different thing, and using rufus it installed on a 2015 laptop, BUT did not accept any security downloads, much like W10 will soon be.