test

Set-RegistryKey -Path "HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" -Name "DisablePagingExecutive" -Value 1

## delete hidden install files
Get-ChildItem "%windir%\$NT*" -Recurse -Force -ErrorAction SilentlyContinue | remove-item -force -Verbose -recurse -ErrorAction SilentlyContinue

## delete prefetch files
Get-ChildItem "c:\Windows\Prefetch\*" -Recurse -Force -ErrorAction SilentlyContinue | remove-item -force -Verbose -recurse -ErrorAction SilentlyContinue

### Size virtual machine RAM
# Disable the automatic management of the paging filing size
$ComputerSystem = gwmi Win32_ComputerSystem -EnableAllPrivileges
$ComputerSystem.AutomaticManagedPagefile = $False
$AutomaticManagedPagefile = $ComputerSystem.Put()

## Clear all event logs
wevtutil el | Foreach-Object {wevtutil cl "$_"}