IIS Versions in Windows
Version Obtained from Operating System 1.0 Included with Windows NT 3.51 SP 3 (or as a self-contained download). Windows NT Server 3.51 2.0 Included with Windows NT Server 4.0. Windows NT Server 4.0 3.0 Included with Windows NT Server 4.0 Service Pack 3 (Internet Information Server 2.0 is automatically upgraded to Internet Information Server 3.0 during the install of SP3). Windows NT Server 4.0 4.0 Self-contained download from www.microsoft.com or the Windows NT Option Pack compact disc. Windows NT…