Multi-user version with FileMaker Pro
Windows OS
Windows 7 Professional Edition SP1 (32-bit) CPU: Dual Core
RAM: 2 GB (4 GB recommended)
Windows Server 2003 R2 SP2 (32-bit) CPU: Dual Core
RAM: 2 GB (4 GB recommended)
Windows Server 2008 Standard Edition SP2 (32-bit) CPU: Dual Core
RAM: 2 GB (4 GB recommended)
Windows Server 2008 R2 SP1 (64-bit) CPU: Dual Core
RAM: 4 GB (8 GB recommended)
Windows 7, 8, 8.1 Professional Edition SP1 (64-bit) CPU: Dual Core
RAM: 4 GB (8 GB recommended)
Windows Server 2008 Standard Edition SP2 (64-bit) CPU: Dual Core
RAM: 4 GB (8 GB recommended)
Mac OS
OS X Mavericks v10.9 or later CPU: 64-bit Intel Core 2 Duo Mac RAM: 2 GB (4 GB recommended)
OS X Mountain Lion v10.8
CPU: 64-bit Intel Core 2 Duo Mac RAM: 2 GB (4 GB recommended)
OS X Lion v10.7
CPU: Intel-based Mac
RAM: 2 GB (4 GB recommended)
FileMaker products requirements can be found here.