Windows Keep Awake

keep_awake.ps1

# 4 hours...
param($minutes = 240)

$myShell = New-Object -com "Wscript.Shell"

for ($i = 0; $i -lt $minutes; $i++) {
  $myShell.sendkeys("{F15}")
  
  Clear-Host
  $remaining = $minutes - $i
  Write-Output "$remaining minutes remaining..."
  
  Start-Sleep -Seconds 60
}