Weil die meisten SCCM Reports nur bis zur dritten Buildnummer (10.0.n) gehen und die letzte Nummer fast nirgends zu bekommen ist:

select v_GS_OPERATING_SYSTEM.Caption0, vSMS_R_System.BuildExt as Build, count(*) as Anzahl
 from  vSMS_R_System 
 inner join v_GS_OPERATING_SYSTEM on v_GS_OPERATING_SYSTEM.ResourceID = vSMS_R_System.ItemKey 
 where v_GS_OPERATING_SYSTEM.Caption0 like '%Windows 10%'
 group by v_GS_OPERATING_SYSTEM.Caption0,vSMS_R_System.BuildExt
 order by v_GS_OPERATING_SYSTEM.Caption0,vSMS_R_System.BuildExt