HP Probook 6570b Laptop Specs Operating system Windows 8 64 Windows 8 Pro 64 Windows 7 Professional (available through downgrade rights from Windows 8 Pro) Windows 7 Professional 32 Windows 7 Professional 64 Windows 7 Home Premium 32 Windows 7 Home Premium 64 Windows 7 Home Basic 32 SUSE Linux Enterprise Desktop 11 FreeDOS Processor Intel® Celeron® B840