A nice powershell that dowloads mongodb and installs it as windows service... this script is good for development machines.

Download and Install MongoDB as Windows Service PowerShell Script

Set-ExecutionPolicy RemoteSigned

$mongoDbPath = "C:\MongoDB" 
$mongoDbConfigPath = "$mongoDbPath\mongod.cfg"
$url = "http://downloads.mongodb.org/win32/mongodb-win32-x86_64-2008plus-2.4.9.zip" 
$zipFile = "$mongoDbPath\mongo.zip" 
$unzippedFolderContent ="$mongoDbPath\mongodb-win32-x86_64-2008plus-2.4.9"

if ((Test-Path -path $mongoDbPath) -eq $True) 
{ 
  write-host "Seems you already installed MongoDB"
	exit 
}

md $mongoDbPath 
md "$mongoDbPath\log" 
md "$mongoDbPath\data" 
md "$mongoDbPath\data\db"

[System.IO.File]::AppendAllText("$mongoDbConfigPath", "dbpath=C:\MongoDB\data\db`r`n")
[System.IO.File]::AppendAllText("$mongoDbConfigPath", "logpath=C:\MongoDB\log\mongo.log`r`n")
[System.IO.File]::AppendAllText("$mongoDbConfigPath", "smallfiles=true`r`n")
[System.IO.File]::AppendAllText("$mongoDbConfigPath", "noprealloc=true`r`n")

$webClient = New-Object System.Net.WebClient 
$webClient.DownloadFile($url,$zipFile)

$shellApp = New-Object -com shell.application 
$destination = $shellApp.namespace($mongoDbPath) 
$destination.Copyhere($shellApp.namespace($zipFile).items())

Copy-Item "$unzippedFolderContent\*" $mongoDbPath -recurse

Remove-Item $unzippedFolderContent -recurse -force 
Remove-Item $zipFile -recurse -force

& $mongoDBPath\bin\mongod.exe --config $mongoDbConfigPath --install

& net start mongodb

Thanks.. Can you provide the uninstallation script for this