Change screen resfresh rate for Forza Motorsport

Forza_Motorsport_change_refresh_rate.ps1

# New fresh rate for the game
$NewRate = 100
# Change this if you have multiple monitors
$DID = 1

# DELETE BELOW IF YOU HAVE ALREADY INSTALLED THE MODULE
# Check if PSGallery is trusted
$PSG = Get-PSRepository -Name PSGallery
if ($PSG.InstallationPolicy -ne "Trusted") {
    Set-PSRepository -Name PSGallery -InstallationPolicy Trusted
}

# Check if DisplayConfig module is installed
if (-not (Get-Module -ListAvailable -Name DisplayConfig)) {
    Install-Module -Name DisplayConfig -Scope CurrentUser -Force
}
# DELETE ABOVE IF YOU HAVE ALREADY INSTALLED THE MODULE

$Display = Get-DisplayInfo -DisplayId $DID
$RoundedHz = [System.Math]::Round($Display.Mode.RefreshRate)

Set-DisplayRefreshRate -DisplayId $DID -RefreshRate $NewRate -AllowChanges

# Xbox
Start-Process "shell:AppsFolder\Microsoft.ForzaMotorsport_8wekyb3d8bbwe!ReleaseFinal"
# Steam
# Start-Process "steam://rungameid/2440510"

Write-Output "Waiting main process"
Start-Sleep -Seconds 30

# Xbox
Wait-Process -Name "forza_gaming.desktop.x64_release_final"
# Steam
# Wait-Process -Name "forza_steamworks_release_final"

Start-Sleep -Seconds 2

Set-DisplayRefreshRate -DisplayId $DID -RefreshRate $RoundedHz -AllowChanges
Write-Output "Done"