Pro Tip: Use your PowerShell prompt to differentiate between regular and admin sessions

profile.ps1

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## Helper function to determine if current session is an admin session
###
function Test-IsAdmin {
    return ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
}

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## Custom Prompt
###
function prompt() {
    if(Test-IsAdmin) {
        Write-Host -NoNewline -Fore Yellow "[ADMIN] "
    }
    Write-Host -NoNewline $(Get-Location)
    Write-Host -NoNewLine '>'
    ' '
}