Install-Module is not recognized as the name of a cmdlet, function, script file, or operable program

By default, Install-Module cmdlet is not recognized on Windows 2012 R2 server. When running Install-Module on PowerShell, you will receive an error saying

Install-Module : The term 'Install-Module' is not recognized as the name of a cmdlet, function, script file, or
operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try
again.
At line:1 char:1
+ Install-Module AzureAD
+ ~~~~~~~~~~~~~~
+ CategoryInfo : ObjectNotFound: (Install-Module:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException

The reason for this error is that you are running older version of Powershell on your server. You need to update to 5 or greater. You can identify PowerShell version on the server by running $PSVersionTable.PSVersion command.

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In order to resolve this problem,

1. Download Windows Management Framework 5.1.
2. Choose Win8.1AndW2K12R2 version and Install
3. Setup requires you to restart server