What is HTTP/2? HTTP/2 is a rework of how HTTP semantics flow over TCP connections, and HTTP/2 support is present in Windows 10 and Windows Server 2016. HTTP/2 is a major upgrade after nearly two decades of HTTP/1.1 use and reduces the impact of latency and connection load on web servers. The major advance of HTTP/1.1 was the use of persistent connections to service multiple requests in a row. In