Local PC:
wmic csproduct get vendor, name, identifyingnumber
Remote PC:
psexec \\nome_pc wmic csproduct get vendor, name, identifyingnumber
Oppure
Local PC:
wmic bios get serialnumber
Remote PC:
psexec \\nome_pc wmic bios get serialnumber
Se vuoi sapere anche se è a 32 bit o 64 bit, il produttore e il modello
Local PC:
wmic computersystem get model, name, manufacturer, systemtype
Remote PC:
psexec \\nome_pc wmic computersystem get model, name, manufacturer, systemtype