Windows 10 Pro
Windows 10 Pro includes all the features of Windows 10 to support professionals, including non-Microsoft Store apps, domain join, remote desktop and BitLocker. Additional Pro features include: Remote Access Services, Group Policy editor, and Windows Update for Business.
Windows 10 Pro for Workstations
Windows 10 Pro for Workstations has all of the features of Windows 10 Pro and more. It delivers faster data handling and storage, a new file system that finds and repairs faults, and support for the next generation of PC hardware, up to 4 CPUs and 6TB of memory. Windows 10 Pro for Workstation is an operating system edition required by Microsoft for Windows Pro systems with Intel Xeon or AMD Opteron processors.