Stop any real-time virus checkers before you proceed because they can interfere with installation.
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Log on to the computer as an administrator.
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Start Server Manager.
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Select Features in the console tree.
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Select Add Features in the Features Summary area to open the Add Features Wizard.
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Select .NET Framework 4.6 Features from the list of features that you can install.
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Click Install and follow the prompts.
The software also supports the latest .NET Framework service packs. Run Windows Update to check for the latest .NET service pack and fixes.