EMC Retrospect® for Windows Clients 5 Clients Upgrade Electronic License, Backup / Recovery, Upgrade, 5 license(s), English, Intel Pentium, 128 MB EMC Retrospect® for Windows Clients 5 Clients Upgrade Electronic License. Type: Backup / Recovery, Software type: Upgrade, License quantity: 5 license(s). Minimum processor: Intel Pentium, Minimum RAM: 128 MB, Compatible operating systems: Windows Vista, Windows XP, Windows XP Professional x64 Edition, Windows 2000 Professional, Windows.... Platform: PC