Follow the steps below to install Internet Information Services (IIS) on a web server computer running Windows Server 2019.
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If your web server computer is running Windows10, see Configure IIS features for Windows 10.
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The minimum IIS version is 10.0.
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Click Start > Server Manager.
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On the Server Manager > Dashboard, select Add roles and features to open the Add Roles and Features Wizard opens.
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Click Next on the Before you begin window.
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On the Select installation type window, select Role-based or feature-based installation, and then click Next.
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On the Select destination server page, select the server to configure in the Server Pool list.
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Click Next.
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On the Select server roles window, expand the Web Server (IIS) > Web Server > Security nodes, and verify that Windows Authentication is installed.
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Expand the Application Development node and verify that ASP.NET 4.7 (or later) is installed.
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Click Next.
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No additional features are needed, so click Next on the Select features window.
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Click Next on the Web Server Role (IIS) window after reading the information provided.
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Click Next on the subsequent page to install the defaults.
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On the Confirm installation selections, review the items to be installed. Click Next when you are ready to proceed with installing the IIS web server.
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After installation has succeeded, click Close.