Add-Type -TypeDefinition @'
using System;
using System.Runtime.InteropServices;

public class Win32 {
    [DllImport("user32.dll")]
    public static extern bool PostMessage(IntPtr hWnd, uint Msg, int wParam, int lParam);
}
'@

function Send-KeyPress {
    $VK_F15 = 0x7E  # Virtual-Key Code for the F15 key
    $WM_KEYDOWN = 0x100  # Message for a non-system key being pressed
    $WM_KEYUP = 0x101  # Message for a non-system key being released

    # Send a key down and then key up message to simulate a complete key press
    [Win32]::PostMessage([IntPtr]::Zero, $WM_KEYDOWN, $VK_F15, 0)
    [Win32]::PostMessage([IntPtr]::Zero, $WM_KEYUP, $VK_F15, 0)
}

while ($true) {
    Send-KeyPress
    Start-Sleep -Seconds 600  # Wait for 10 minutes before sending the next key press
}