Retrospect (UAC) Upgrade Open File Backup Unlimited v.12 for Windows w/ 1 Yr Support & Maintenance (ASM). Type: Backup / Recovery, Software type: Upgrade. Windows operating systems supported: Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64,..., Server operating systems supported: Windows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 x64,..., Minimum RAM: 4096 MB. Platform: Windows