Windows 10 brings back the Start Screen and adds some nice new features including Cortana digital assistant and the Edge browser. Windows 10 is a pretty big leap from previous versions, especially Windows 8, which eliminated the Start Screen. With Windows 10 Enterprise, you can scale up or down at any time, so you’re only paying for the licenses you need.
E3 is $7/per/user per month, and E5 is $14/user/month (check the Features section for the differences). Windows 10 Enterprise has two different license options: E3 and E5. Windows 10 Enterprise is an OS-as-a-Service license, meaning you pay a small monthly fee for the license. Windows 10 Pro follows the traditional licensing model, where you pay a one-time fee of $199.99 for the license and own it forever.
The biggest difference between Windows 10 Pro and Windows 10 Enterprise is the type of license. Windows 10 ENT has the same features of Windows 10 Pro with additional security features and is a monthly free, starting at $7/user/month. Windows 10 Pro is a one-time fee of $199.99.