management-scripts/Update-Wireguard.ps1

If (IsAdmin) {

    ## Get the path to wireguard.exe
    If (Test-Path "${Env:ProgramFiles}\Wireguard\wireguard.exe") {
        $PATH = "${Env:ProgramFiles}\Wireguard\wireguard.exe"
    }
    ElseIf (Test-Path "${Env:ProgramFiles}\Wireguard\wireguard.exe") {
        $PATH = "${Env:ProgramFiles}\Wireguard\wireguard.exe"
    }
    Else { $PATH = "" }

    ## If the path to wireguard.exe is found, update the app
    If ( -not [string]::IsNullOrEmpty($PATH) ) {
        Write-Output "Updating Wireguard"
        Try { Start-Process $PATH -ArgumentList "/update" -Wait }
        Catch { Write-Error $_.Exception.Message }
        Write-Output "Finished updating Wireguard"
    }
}

Else { Write-Output "You must be a local administrator to update Wireguard" }