How to enable command completion for the AWS CLI on Windows within the PowerShell

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Introduction:

To create a new "All users, All Hosts" profile, type:

if (!(Test-Path -Path $PROFILE.AllUsersAllHosts))
{ New-Item -Type File -Path $PROFILE.AllUsersAllHosts -Force }

Notepad C:\Windows\System32\WindowsPowerShell\v1.0\profile.ps1

Register-ArgumentCompleter -Native -CommandName aws -ScriptBlock {
    param($commandName, $wordToComplete, $cursorPosition)
        $env:COMP_LINE=$wordToComplete
        $env:COMP_POINT=$cursorPosition
        aws_completer.exe | ForEach-Object {
            [System.Management.Automation.CompletionResult]::new($_, $_, 'ParameterValue', $_)
        }
        Remove-Item Env:\COMP_LINE     
        Remove-Item Env:\COMP_POINT  
}

Set-ExecutionPolicy RemoteSigned
# Will run any script on the local machine, that has not come from the internet

Set-ExecutionPolicy  Unrestricted 
# Will allow any script to run, although if you downloaded it from the internet it will ask you to confirm you want to run it.

Unblock-File C:\Windows\System32\WindowsPowerShell\v1.0\profile.ps1
# Will unblock the execution of this particular file

Set-ExecutionPolicy RemoteSigned -Scope CurrentUser
# Will run any script on the local machine, that has not come from the internet for a specific User

Conlusio:

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