Tweak-XP Pro was the first tweaking software especially designed for Windows XP. There are lots of third class competitive products, but only with Tweak-XP Pro you can be sure to get the original tuning application designed for Windows XP only. There's no need to find your way through the Windows registry: use Tweak-XP Pro v4 to enable hundreds of different secret settings for Windows XP with a few mouse clicks only.