Install-SPRSService is not recognized

When trying to integrate Reporting Services into SharePoint using the Powershell command mentioned (Install-SPRSService) I get the following error: Install-SPRSService : The term 'Install-SPRSService' 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.>>One cause of this if is you type the command in "Windows PowerShell" rather than the "SharePoint