Windows 10/11 Enterprise E5 includes Windows 10/11 Enterprise E3 plus Microsoft Defender Advanced Threat Protection (ATP). Microsoft Defender ATP is a unified endpoint security platform and enables enterprise customers to protect, detect, investigate, and respond to advanced attacks and data breaches. It is built-in, cloud powered, applies Artificial Intelligence to automate security incidents and leverages the Microsoft Intelligent Security Graph to integrate detection and exploration with other Microsoft Threat Protection services*. *some separate subscriptions may be required

With the purchase of Extended Security Updates (ESU), you will receive Critical security updates for up to three years past the end of the support date. You will also be able to use your existing support contract to receive technical support for covered servers.